For building-product manufacturers, the fastest way to lose a public infrastructure, green-building, or EU contract is no longer a weak product. It is documentation the specifier will not accept. Bids are increasingly disqualified over a missing environmental declaration, an expired certificate, or a substance disclosure that cannot be produced at the product level on request. Construction product compliance has become a commercial gate, and the regulatory exposure now sits inside the procurement window rather than in a post-award audit. Three evidence demands decide most bids: BABA domestic-content proof for federally funded work, third-party-verified EPDs for embodied carbon, and REACH, SCIP, and Prop 65 substance disclosure. Managed in silos across inboxes and spreadsheets, these turn into audit-readiness gaps and rising operational cost. Handled as one connected system, they become bid eligibility.