The program Settings - Accounts Payable (APS905) is the central function in Infor M3 for defining the rules and parameters that govern the Accounts Payable (AP) process at the division level. It is used to configure fundamental settings, including the setup for invoice approval workflows, authorization tolerances, and rules for recoding and payment processing. This program directly addresses the need to create an automated workflow for managing supplier invoices by establishing the foundational parameters upon which such automation is built.

A. Accounting Rule. Set (CRS395): This program defines how financial transactions are posted to the general ledger, not the operational workflow for invoice approval or authorization.

B. FAM Function. Open Details: FAM (Financial Application Management) functions are used to define the overall structure and details of financial applications, which is too general for this specific AP workflow task.

C. AR Payment Method. Open (CRS076): This program is for Accounts Receivable (AR), managing how payments are received from customers, not how payments are made to suppliers (AP).

D. Credit Monitoring. Process (RMS420): This is a Risk Management System (RMS) function for monitoring customer credit, which is part of the AR process, not AP.

1. Infor M3 Finance Management User Guide for Accounts Payable: "The main settings for the accounts payable are defined in 'Settings – Accounts Payable' (APS905). These settings are defined per division and control, for example, the invoice approval workflow, payment authorization, and matching tolerances." (Refer to section: 'Basic Settings for Accounts Payable').

2. Infor M3 Foundation, Common Functions Guide: "CRS395, 'Accounting Rule. Set,' is a core component of the General Ledger interface. Its purpose is to define the accounting strings and rules for automatic postings from all M3 subsystems to the General Ledger." (Refer to section: 'General Ledger Interface').

3. Infor M3 Finance Management User Guide for Accounts Receivable: "CRS076, 'AR Payment Method. Open,' is used to define the methods by which customer payments are received and processed. This is a fundamental setting for the Accounts Receivable module." (Refer to section: 'Basic Settings for Accounts Receivable').