Plastics Treaty Accountability Disputes and Compliance Timelines for Print and Packaging Supply Chains

The fallout from Global Plastics Treaty negotiations hits print and packaging supply chains long before any treaty takes effect, starting when brands adjust their procurement terms early. Led by the Intergovernmental Negotiating Committee (INC), the UN Global Plastics Treaty's core dispute centers on whether accountability mechanisms should target primary plastic production or focus on downstream waste management and trade. Ahead of the Bangkok meeting, INC Chair Cordano addressed concerns over accountability, noting that the session would tackle responsibility across both production and waste [1]. While this statement settled nothing in the text, it sent a clear signal the industry cannot ignore

This topic matters to the print and packaging industry on two levels. Industrially, items like flexible packaging, labels, and barrier-coated paper involve both plastic substrates and print processing. Any obligation targeting virgin plastic volume or design for recyclability lands straight on a print shop's bill of materials and production logs. Academically, existing discussions focus mostly on which control measures the treaty text should adopt, rarely touching an earlier question: before the text is finalized, how does treaty uncertainty itself cascade down to midstream and downstream suppliers through commercial contracts?

Existing research leaves three specific gaps:

・First, while literature debates what to regulate, it lacks a systematic account of how supply chains act during the negotiation window

・Second, while the evolution of negotiating texts (from the zero draft onward) is documented [6], the timeline linking text revisions to shifts in corporate procurement rules has not been clearly modeled

・Third, existing analyses focus heavily on Western brands and major producers, giving little attention to data infrastructure costs and feasibility for small and mid-sized Asian print converters

This article makes three contributions, each mapped to a main section:

・First, it maps the divergence and evolution of upstream production and downstream waste control routes in the literature and draft texts, setting the foundation for this analysis (mapped to the 'Literature and Current Status Review' section)

・Second, it unpacks three structural fault lines in the accountability debate, explaining why treaty-level ambiguity gets amplified across supply chains (mapped to the 'Three Fault Lines in Accountability' section)

・Third, it models the transmission path from treaty drafts to brand procurement terms and supplier data duties, estimating print readiness timelines and data tiers (mapped to the 'Transmission Paths' and 'Data Infrastructure' sections)

For Taiwan, this issue hinges on industrial structure. Taiwan's print and packaging sector consists primarily of small and mid-sized enterprises. Most sit in Tier 2 or Tier 3 of brand supply chains, with zero presence at international talks and no dedicated legal compliance teams, yet they are the ones ultimately asked to hand over material sourcing and production volume data. This structural position, absent from negotiations yet saddled with obligations, makes early preparation yield unusually high marginal returns

Discussions on plastics treaty accountability mechanisms in existing literature fall into two main clusters based on where they place regulatory intervention. Their disagreement centers on which end of the supply chain holds the critical bottleneck for plastic pollution

Cluster 1: Waste trade controls as the regulatory core. This camp argues that the Global Plastics Treaty must enforce strict global controls on plastic waste trade [2][3]. Supported by a full peer-review history, from initial R0 reviews and recommendations [3][5] to R1 revised evaluations and editorial decisions [2][4], this position represents vetted scholarship rather than an isolated opinion. Its core logic: geographical displacement of pollution (producing and consuming nations exporting waste to destinations lacking processing capacity) is observable, quantifiable, and easily mapped onto existing international legal frameworks like the Basel Convention. The connection to our analysis lies in how post-waste liability travels backward into upstream print operations. When trade faces strict controls, the burden of proof for material design and recyclability shifts upstream, pulling print converters into the regulatory net

Cluster 2: Accountability targeting primary plastic production. This camp calls for quantitative caps on virgin plastic production and consumption, mandatory production reporting, and monitoring and evaluation mechanisms. Draft negotiations have moved through formal texts since the zero draft release [6], with subsequent revisions around production controls sparking heated debate. Political resistance to upstream controls runs far higher than downstream waste rules because upstream rules strike directly at petrochemical capacity planning and resource-rich nations' economic interests, whereas waste rules can be framed as technical environmental governance. While these studies focus on treaty text stringency, our focus is different: even if upstream production clauses get watered down, disclosure pressure for production data will still arrive through commercial contracts

Cluster 3: Observations on negotiation progress and institutional design. Ahead of the Bangkok talks, the INC Chair addressed public doubts regarding accountability mechanisms, confirming that assigning liability across production and waste would be on the table [1]. That same primary report noted that while the text remains open, brands have already started requiring suppliers to disclose plastic use and recyclable design [1]. This observation serves as our core empirical baseline, capturing a clear decoupling between treaty politics and commercial practice. Our analysis builds on this fact, turning an isolated news report into a testable transmission model

Synthesizing these three clusters reveals a clear gap in existing research. Literature offers plenty of debate over what accountability mechanisms the treaty should adopt, and reporters have noted that brands are already demanding disclosures. Yet the transmission mechanism connecting the two, the operational time lag, and the specific data duties placed on midstream and downstream converters remain unanalyzed. This paper directly tackles that gap

The debate over accountability fails to reach a clean consensus at the negotiating table due to three structural fault lines. Each fault line expands rather than shrinks as it ripples down the supply chain. This section defines these three fault lines and explains how they amplify

Fault Line 1: Asymmetry between regulatory targets and pollution liability. Upstream production controls target virgin polymer manufacturers, while downstream waste controls target jurisdictions generating and exporting waste. In between sits a massive band of users, including brands, packaging designers, and print converters, who are neither primary producers nor end-of-life disposers. The INC Chair noted publicly that Bangkok discussions would address responsibility across both ends [1]. The significance here is that setting the agenda this way openly admits liability remains unsettled. Until it is settled, intermediate players cannot tell whether they will be directly held accountable or simply required to supply verification data. From a risk management perspective, converters should assume they will face both

Fault Line 2: The decoupling of mandate strength and reporting duties. A frequently overlooked institutional dynamic is that even if quantitative caps get diluted, reporting and monitoring provisions often survive, sometimes serving as the very compromise when caps fail. Negotiation records show multiple rounds of text revisions since the zero draft [6]. This combination of weaker caps and intact reporting duties actually carries a heavier operational impact on print businesses. While quantitative caps hit petrochemical giants, reporting obligations cascade straight down the supply chain. To track material flows, someone has to report processing volumes on the factory floor

Fault Line 3: Institutional inertia in international law. Support for waste trade controls in academic literature has remained steady through complete peer-review cycles [2][3][4][5], partly because it builds directly on existing cross-border waste frameworks like the Basel Convention, lowering institutional startup costs. This momentum means that even if upstream production controls falter, downstream trade controls have a high probability of passing. Once waste trade controls are locked in, whether a package is recyclable and what materials it contains become legal facts requiring documentary evidence. That documentation can only come from the print and converting floor

The combined effect of these three fault lines is clear: high-level treaty uncertainty turns into concrete data demands on the ground. The final treaty text remains unknown, but whatever shape it takes, records on material composition and material flow will be mandatory

Regulatory pressure does not reach print shops through direct government mandates. It travels through brand procurement terms, and this transmission starts well before any treaty officially takes effect. This section builds our transmission model and breaks down its three stages

Firsthand reporting highlights a key reality: while treaty text remains unfinalized, brands have already begun requiring suppliers to disclose plastic use and recyclable design [1]. This timing gap is the foundation of our model. Rather than waiting for legal deadlines, brands are pricing future risks into current operations. With the policy direction already evident, collecting data from suppliers early is the most cost-effective move, given that building data systems takes far longer than regulatory grace periods. The moment brands anticipate future proof burdens, they move, regardless of whether treaty negotiations are finished

The transmission path unfolds across three stages:

・Stage 1 (Current): Voluntary disclosure requests. Brands use questionnaires, vendor evaluation forms, or sustainable procurement surveys to request plastic material types, volumes, and recyclable design rationales. This stage carries no contractual penalty, leading to mixed response quality

・Stage 2: Contractual integration. Disclosure requirements are written into supplier contracts and procurement specs, becoming conditions for renewal. Failing to provide data does not mean immediate disqualification, but it erodes bargaining power

・Stage 3: Audits and verification. Requirements shift from self-declarations to verifiable documentation, backed by third-party certification or spot audits

Most Taiwanese print converters currently sit between Stage 1 and Stage 2. How fast they get pushed into the next stage depends primarily on regulatory pressure in the brand's target consumer markets, not on the pace of UN negotiations. This explains why customer questionnaires keep growing more detailed even while global talks seem stuck

We must note the empirical boundaries of this deduction. The primary source cited here only records that brands have begun requesting disclosures [1], without offering quantitative data on adoption rates, product coverage, or contractual strictness. While this three-stage model offers explanatory power, it remains an analytical construct that awaits broader empirical validation

Before accountability rules are finalized, a print shop's most valuable asset is traceable material and volume data, not third-party certifications. Below, we present a three-tier framework and explain why building data infrastructure is far more urgent than chasing certificates

There are three reasons for this:

・First, certifications target specific standards that can shift with treaty outcomes, while raw data is the universal input for every standard

・Second, primary evidence shows that establishing material and production traceability early creates a stronger bargaining position down the line [1]. Suppliers with ready data save clients the switching costs of finding new partners and plug directly into their compliance workflows. This seamless integration drives commercial advantage, while environmental performance remains secondary

・Third, data generation cannot be compressed in time: three years of historical usage records cannot be fabricated overnight when a client suddenly asks

We structure the required data into three tiers, described here as the 'Mai Strategy Three-Gate Print Verification' framework, intended as a descriptive checklist rather than a rigid normative standard:

・Material Gate (Substrate Tier): Material types for every substrate batch (such as PET, PE, PP, metallized films, or multi-layer barrier coatings), suppliers, presence and ratio of post-consumer recycled content, and technical justification for recyclability. Multi-layer laminate structures must be logged layer by layer, as recyclability assessments depend on the overall composition rather than just surface finish

・Process Gate (Production Tier): Ink and coating chemistry, varnishing and lamination methods, actual material input per print job, and scrap rates. Tracking scrap rates is essential because the difference between raw material input and finished output represents factory waste flow

・Delivery Gate (Distribution Tier): Consignee, product item, shipped quantity, and timestamp, allowing material flows to be traced end to end from raw inventory to client delivery

The Process Gate is the most overlooked of the three. Print shops keep inbound and outbound records for accounting purposes, but rarely link actual raw material input directly to specific job orders. Future reporting frameworks will demand exactly this granular link

We must also acknowledge the limitations: this three-tier architecture is an analytical framework derived logically from treaty accountability requirements, not an official compliance checklist from any active regulation. Once final treaty terms are locked in, actual reporting fields may differ

Preparations across Taiwan's design and print sector must be tailored by role rather than applied as a one-size-fits-all checklist. This section outlines actionable steps for small and mid-sized print shops, graphic designers, and brand owners

For small and mid-sized print shops: prioritize data infrastructure before chasing certifications. Three concrete actions stand out:

・First, add material type and input volume fields to every job ticket in your current ERP or management software. This single tweak offers the lowest cost and highest coverage. If your current software cannot be modified, maintain a parallel structured spreadsheet. The sophistication of the software matters far less than consistent field definitions

・Second, request written spec sheets and recycled content documentation from substrate suppliers and archive them systematically. This requires communication time rather than capital, but waiting until a client audit arrives creates severe bottlenecks as supplier turnaround times clash with audit deadlines

・Third, build monthly scrap rate baselines as a reference for future reporting. On timeline, we recommend a full fiscal year as the minimum data collection baseline, since seasonal demand swings require a complete cycle to become clear

For designers: design choices set the upper limit on downstream compliance costs. The working rule is straightforward: when visual impact is comparable, choose mono-material structures over multi-material laminates, and specify separable label and film designs. Ongoing arguments for strict waste trade controls in academic literature [2][4] will narrow export disposal outlets for non-recyclable packaging, passing disposal costs directly back to initial design decisions. Designers currently talk in terms of eco-labels, but future criteria will hinge on physical material composition. Design proposals should include explicit layer-by-layer material breakdowns from the start

For brand owners: brands are the linchpins of the transmission chain. We recommend two practical steps:

・First, standardize supplier disclosure requests into fixed, consistent data fields. Avoid altering questionnaire formats every year, which forces suppliers into duplicate work and makes longitudinal data comparison impossible

・Second, distinguish between data that is needed immediately and data that might be needed later, giving suppliers reasonable runway for the latter. Dumping all reporting burdens on small suppliers at once yields low-quality self-declared data, raising the risk of audit failure down the road

Our core research question asks: while Global Plastics Treaty accountability mechanisms remain unsettled, how should print and packaging supply chains interpret and respond to this uncertainty? We present three main findings:

・First, the dispute between upstream production and downstream waste accountability is a zero-sum political battle at the treaty table, but not across the supply chain. Regardless of which side prevails, demands for data on material composition and flow will remain

・Second, regulatory pressure travels through brand procurement terms rather than official enforcement schedules, arriving far ahead of treaty ratification dates. Primary reporting shows brands already requesting supplier disclosures while treaty text is still pending [1]

・Third, for midstream and downstream converters, the only realistic preparation is building data systems rather than collecting certificates. Because historical data cannot be created retroactively, early adopters secure a clear bargaining advantage [1]

This study carries two specific limitations that should be noted

First, limited source coverage. The empirical foundation drawn on here includes one primary report recording the INC Chair's response and brand actions [1], a set of peer-reviewed papers focusing on plastic waste trade control proposals [2][3][4][5], and records from the release of the zero draft [6]. While this literature base covers waste trade controls well, it lacks independent empirical studies on upstream production controls and contains no direct survey data from print or packaging converters. Our descriptions of shop-floor practices are therefore structural deductions rather than sample-based observations

Second, boundaries of generalization. Both the three-stage transmission model (voluntary disclosure to contractual terms to audit verification) and the three-tier data framework are analytical models that have not been quantitatively tested. The model assumes brand compliance risks transfer down the supply chain. This holds true for sectors dominated by powerful brands and centralized procurement (like food and beverage or cosmetics packaging), but the incentive to push down requirements is much weaker in fragmented, price-sensitive markets (such as general commercial print and promotional items). Our conclusions should not be applied indiscriminately to the latter

Future research can proceed along three directions:

・First, conduct surveys across Taiwanese packaging and print converters to measure the true adoption rate and strictness of brand disclosure clauses, testing our three-stage model

・Second, collect real-world supplier sustainability questionnaires from various brands to run field-level content analysis, matching them against reporting clauses in treaty negotiating texts

・Third, track text revisions from Bangkok and subsequent negotiation rounds, building a chronological comparison between draft revisions and updates in brand procurement guidelines to test our thesis on transmission lag

For further reading, see UN Global Plastics Treaty Negotiation Progress and Accountability Dispute Report

Ahead of Bangkok talks, the INC Chair confirmed that allocating liability between production and waste management remains open, with treaty language still unfinalized

Regulatory pressure reaches print converters through brand procurement clauses rather than official statutory dates, hitting suppliers well ahead of treaty ratification

Whether accountability centers on upstream production or downstream waste, the demand for data on material composition and material flow remains constant. Building data infrastructure is a no-regrets investment

The lowest-cost first step for small and mid-sized print shops is adding material type and actual input volume fields at the job ticket level and logging them consistently

Design evaluation will shift from eco-labeling to physical layer structures, with mono-materials taking precedence over multi-layer composites

The primary challenge facing print manufacturers is upgrading data granularity from accounting-level inventory records to job-level material and input tracking. Existing ERP systems rarely account for these dimensions, making this a far bigger shift than a basic eco-standard update. For designers, sustainable proposals must shift vocabulary from certification logos to physical structures, with layer-by-layer material specs becoming as vital as color guides. In applying AI, the most practical quick win is data extraction. Structuring material data scattered across PDF spec sheets, supplier emails, and paper delivery receipts offers the highest automation ROI right now. However, material nomenclature across the supply chain is messy, with a single substrate structure named five different ways across different vendors. Without a standardized dictionary in place, extracted data looks complete on the surface but cannot be compared. For SaaS providers, an unfilled gap sits between factory ERPs and corporate ESG reporting: a packaging material passport layer that serves both the print factory floor and brand audit requirements. Two open questions remain: which framework should anchor data definitions before treaties are finalized, and who pays for data infrastructure at small shops. If costs are pushed entirely onto suppliers, the result will likely be cosmetically complete self-declarations that collapse under audit scrutiny

[1] UN Global Plastics Treaty INC Chair Responds to Accountability Mechanism Disputes: The Next Variable for Print and Packaging Supply Chains

[2] Review: The Global Plastics Treaty must include strict global controls on plastic waste trade, R1/PR6. DOI: 10.1017/plc.2025.10005.pr6

[3] Review: The Global Plastics Treaty must include strict global controls on plastic waste trade, R0/PR2. DOI: 10.1017/plc.2025.10005.pr2

[4] Decision: The Global Plastics Treaty must include strict global controls on plastic waste trade, R1/PR8. DOI: 10.1017/plc.2025.10005.pr8

[5] Recommendation: The Global Plastics Treaty must include strict global controls on plastic waste trade, R0/PR3. DOI: 10.1017/plc.2025.10005.pr3

[6] 'Zero Draft' of Global Plastics Treaty Released. Climate Change and Law Collection. DOI: 10.1163/9789004322714_cclc_2023-0302-1397