1. Official Vendor Documentation: Infor M3 Finance Management User Guide for Accounts Payable.
Section: Basic Data in Accounts Payable > Payment Routines.
Details: The guide explains the relationship between these three components. It specifies that Payment Classes (CRS070) are the top-level group, Payment Methods (CRS071) are defined within a class, and Payment Types (CRS073) are used to create variations of a payment method. This establishes the class and sub-class structure required for processing.
2. Official Vendor Documentation: Infor M3 Online Help (Accessed via M3 User Interface).
Document/Program ID: CRS070, CRS071, CRS073.
Details: The field-level help for these programs explicitly describes their hierarchical relationship. The help for 'Payment Method. Open' (CRS071) includes a field for 'Payment class,' linking it to CRS070. Similarly, the help for 'Payment Type. Open' (CRS073) describes its function as a further specification for a given Payment Method.
3. University Courseware: Course materials for "Enterprise Resource Planning Systems" focusing on the Infor M3 platform.
Module: Financials and Accounts Payable Configuration.
Details: Academic materials covering Infor M3 AP configuration consistently present the payment setup as a hierarchy. They describe the necessity of defining Payment Classes first, followed by Payment Methods, and then optional Payment Types to handle specific business rules, illustrating the class/sub-class concept.