Please refer to the ?Selecting the SAQ and Attestation that Best Apply to Your Organization? section in theThe PCI DSS SAQ Instructions and Guidelines document for(available from the PCI SSC Documents Library) provides information about the different SAQs and the types of environments that each SAQ is intended for.  Merchants should also consult with their acquirer (merchant bank) or payment brand to determine if they are eligible or required to submit an SAQ, and if so, which SAQ is appropriate for their environment.