# Bio-content certification & mass-balance traceability (ISCC PLUS, USDA BioPreferred)

Analytical & testing services — How a bio-claim is made provable: ISCC PLUS supply-chain certification on top of mass-balance production, ASTM D6866 radiocarbon measurement of biogenic carbon, and the digital product passport regime the EU adopted in July 2026 to keep such claims travelling with the product.

Source: https://en.bioecon.ru/market/analytical-testing/bio-content-certification-mass-balance-traceability-iscc-plus-usda-biopreferred/