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Product Category Rules (PCR) are documents that define the rules and requirements for EPDs of a certain product category. They are vital for the concept of environmental declarations according to ISO 14025 as they enable transparency and comparability between different EPDs based on the same PCR. Here, you can download PCRs (free, but requires registration), participate in PCR development and provide comments on PCRs available on open consultation.

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Review PRCs in development and participate in the open consultation process at the PCR Forum.