Accounts Receivable, or "AR" in SAP, is a component of the Financial Accounting (FI) module. Invoice processing, payments, dunning, reporting, and other AR operations are managed by a variety of Tcodes (Transaction Codes).
The following is a list of typical SAP AR Tcodes:
Customer Master Data
XD01 – Create Customer (Centrally)
XD02 – Change Customer (Centrally)
XD03 – Display Customer (Centrally)
FD32 – Change Customer Credit Management
Invoice and Credit Memo Processing
FB70 – Enter Customer Invoice
FB75 – Enter Customer Credit Memo
VF01 – Create Billing Document (used in SD for billing, posts to AR)
Incoming Payments
F-28 – Post Incoming Payments
F-32 – Clear Customer
Dunning
F150 – Dunning Run
FD10N – Display Customer Line Items
F.24 – Customer Due Date Analysis
Reports & Analysis
FBL5N – Customer Line Item Display
FD10N – Customer Balance Display
S_ALR_87012172 – Customer Open Items
S_ALR_87012178 – Customer Payment History
Account Maintenance
F-30 – Customer Clearing
F-39 – Credit Memo with Reference