ISCC PLUS Certificate

Chain-of-custody certification for bio-based or circular feedstocks, usually via mass balance allocation rather than physical segregation.

• That the specific physical product contains the bio-based or recycled material — mass balance allocates credits across production.

• Claims Mass Balance Content →

  high risk

Minimum authority

Third-party verified

Should state

Certificate Number · Allocation Method · Valid Until

Date sensitivity

Expiry matters — check the certificate is current.

Mass balance is legitimate but must be disclosed as such — physical content may be zero.