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Module 5 — Sourcing, traceability and the supply base
Supplier data, traceability depth and documentation that survives an audit.
Traceability claims are only as deep as their weakest tier. This module covers sourcing decisions, material receiving and warehousing records, shipment documentation, and the factory data systems behind them. The emphasis is practical: what a chain-of-custody record looks like, which tiers are usually missing, and how to test a traceability statement before you repeat it.
By the end of this module: Judge how deep a supply chain trace really goes, and where the documentation usually breaks.
Prerequisite: Module 4 — traceability is evidence about evidence.
Who this module is for · Intermediate
- Buyers and merchandisers who must defend sustainability claims to customers
- Supplier-facing staff managing audits, traceability and documentation
- Compliance and quality staff turning measurements into evidence
- Designers and developers who want the numbers behind material decisions
This module stands on its own — study it in any order. Your reading, quiz score and capstone are saved on this device, and to your account when you sign in. See your progress for this course.
1. Read these chapters
2. Then work through these stages
Module quiz
5 questions on Module 5 — Sourcing, traceability and the supply base. Answer them all, then check your score before moving on. 4 correct or more is a pass. Your best score is saved on this device, and to your account when you are signed in. This is a self-check, not an accredited assessment.
1. Most apparel traceability stops at Tier 1. That means the brand knows
2. Receiving and warehousing records matter to traceability because they
3. A mass-balance chain-of-custody model means
4. Factory data systems (the 'smart factory' layer) help compliance by
5. The most common failure when a traceability claim is audited is
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