How posting key is managed in SAP FICO

What is posting key? How its managed in SAP FICOPosting Key in SAP is a two digit numeric key defined to control the entry of document line items in a FI Transaction. Posting Key in SAP also specifies whether the line item is a debit or a credit entry, account type that can be posted (Vendors, Customers and General Ledger etc.) and the screen layout of line items.

For posting special General ledger transactions, special posting keys in SAP are used which are supplemented by a special GL indicator. The system uses the specifications (posting key and special G/L indicator) to determine the alternative reconciliation account.

SAP delivers standard posting keys for use;

Posting Key Description of Posting Key
Account Type use for the posting key
01 Customers invoices Customer Debit
02 Reverse Credit Memo Customer Debit
03 Bank Charges Customer Debit
05 Outgoing Payment Customer Debit
06 Payment differences Customer Debit
08 Payment Clearing Customer Debit
09 Outgoing debit posting Customer Debit
11 Credit memos Customer Credit
12 Reverse Invoice Customer Credit
13 Reverse Charges Customer Credit
15 Incoming Payment Customer Credit
16 Payment differences Customer Credit
18 Payment Clearing Customer Credit
19 Outgoing credit posting Customer Credit
21 Credit memos Vendor Debit
22 Reverse Invoice Vendor Debit
25 Outgoing Payment Vendor Debit
26 Payment differences Vendor Debit
28 Payment Clearing Vendor Debit
29 Incoming debit posting Vendor Debit
31 Vendors invoices Vendor Debit
32 Reverse Credit Memo Vendor Credit
35 Incoming Payment Vendor Credit
36 Payment differences Vendor Credit
38 Payment Clearing Vendor Credit
39 Incoming credit posting Vendor Credit
40 G/L account G/L Account Debit
50 G/L account G/L Account Credit
70 Debit Asset Asset Debit
75 Credit Asset Asset Credit
80 Inventory Taking G/L Account Debit
81 Costs G/L Account Debit
82 Inventory Difference G/L Account Debit
83 Price Difference G/L Account Debit
84 Consumption G/L Account Debit
85 Change in Stock G/L Account Debit
86 GR/IR debit G/L Account Debit
89 Stock Inward Movement Material Debit
90 Inventory Taking G/L Account Credit
91 Costs G/L Account Credit
92 Inventory Difference G/L Account Credit
93 Price Difference G/L Account Credit
94 Consumption G/L Account Credit
95 Change in Stock G/L Account Debit
96 GR/IR Credit G/L Account Credit
99 Stock Outward Movement Material Credit

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