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# Digital Product Passports

## Docs

- [Digital Product Passports](https://tieback.io/docs/knowledge-base/digital-product-passports/overview.md): A chapter introduction to Digital Product Passports: what they are, why they exist, and the reading order to follow in this section.
- [What is a Digital Product Passport?](https://tieback.io/docs/knowledge-base/digital-product-passports/what-is-a-digital-product-passport.md): A practical, authoritative introduction to Digital Product Passports: what they are, why the EU is introducing them, what data they carry, who is affected, and how they work.
- [Who Needs a Digital Product Passport?](https://tieback.io/docs/knowledge-base/digital-product-passports/who-needs-a-digital-product-passport.md): Who is affected by Digital Product Passports: the six responsibility groups across the value chain, which products are in scope, and who should prepare now.
- [What Information Does a Digital Product Passport Contain?](https://tieback.io/docs/knowledge-base/digital-product-passports/what-information-does-a-digital-product-passport-contain.md): The six categories of information a Digital Product Passport carries, what is confirmed in law today, and how to assess whether your product data is ready.
- [How Does a Digital Product Passport Work?](https://tieback.io/docs/knowledge-base/digital-product-passports/how-does-a-digital-product-passport-work.md): How a Digital Product Passport actually operates end to end, from product creation to end of life, including identifiers, data carriers, where data lives, access rights and APIs.
- [What Are the Benefits of a Digital Product Passport?](https://tieback.io/docs/knowledge-base/digital-product-passports/what-are-the-benefits-of-a-digital-product-passport.md): A practical account of the compliance, operational, supply chain, customer and sustainability benefits of Digital Product Passports, and how the value compounds from regulatory compliance upwards.
- [What Data Goes in a Digital Product Passport, and Where Does It Come From?](https://tieback.io/docs/knowledge-base/digital-product-passports/what-data-goes-in-a-digital-product-passport.md): A plain explanation of what information a Digital Product Passport can carry and where that information actually originates: product identity and reference data, composition and materials, manufacturing data, supplier submissions, compliance and conformity information, certificates and evidence, sustainability information, lifecycle events, repair information and end-of-life information, each mapped to the systems, organisations and records they typically come from, including how small organisations do this without enterprise software.