Invoicing

Do you need information about supplier invoicing? Invoicing instructions appear on the purchase order you received from us. For any other information, please see our Invoicing Charter.

Access the PSFOUR Fournisseur portal

Grievances

Under some contracts, our partner businesses must have a quality management system that complies with the NF EN ISO 9001 standard.

SNCF may also conduct or outsource supplier investigations and audits, and assess the quality of the work, supplies, or services provided during or at the end of the contract. Quality requirements appear in our Quality Specifications.