Plan Customer and Supplier Setup Plan Customer and Supplier Setup Overview This guide will help you prepare the groups, contacts, addresses, credit, accounts, taxes, and opening balances needed to create customers and suppliers correctly. Correct master setup supports selection, ageing, payments, ledgers, tax reporting, messaging, and history. Who can do this You need access to No write permission for planning; respective master/add rights are required for creation. Before you start Confirm party identity, customer/supplier/dual role, contact types, customer group, addresses, registration/tax identifiers, payment terms, credit policy, opening balance date/source, and GL mappings. Before saving, check that the correct company is open and that you have permission to complete this task. Where to find it Back Office → Sales & Customers or Purchases & Suppliers → Setup & Maintenance. Plan Customer and Supplier Setup Step 1: Configure contact types and customer groups Step 2: Configure payment terms, payment account heads/accounts/types, taxes, fiscal year, and Configure payment terms, payment account heads/accounts/types, taxes, fiscal year, and accounting defaults. Step 3: Decide whether dual customer/supplier role and unique contacts are allowed Step 4: Prepare one primary and any secondary contacts/addresses Step 5: Define customer credit/loyalty or supplier terms Step 6: Reconcile approved opening receivable/payable balances Step 7: Create the party before entering live transactions Check your work Complete a party setup worksheet with all prerequisite IDs and source documents. Take a moment to check your work before closing the window. This small check can save time later. If something goes wrong Do not create duplicate parties to bypass a contact or access error. Do not enter an opening balance as an ordinary payment. Related guides Create a Customer Create a Supplier Create Payment Terms Create a Payment Account What to do next Create a Customer.