Posting key is nothing but Two-character numerical key that together with the GL account number controls the posting at line item level of documents. The posting key determines:
- Account type
- Debit/credit posting
- Layout of entry screens (Which is nothing but Field status)
When you do document posting, enter a posting key for each line item. This key determines how the item is posted. Posting keys are defined at client level and therefore It can be used by all company codes.
The posting key determines:
- The data you can enter in the line item
- How data you post is processed
- How the system updates the data you input in system
Posting keys are differentiated by customer, vendor and posting key for G/L accounts. Apart from the General Ledger Accounting (FI-GL) and Accounts Receivable and Payable (FI-AR/AP) components, there are also posting keys for assets and material accounts.
Some Example of Posting Key:
SAP delivers predefined posting keys with the standard system. The following table lists some of the posting keys available in the standard system:
Posting keys for Account type customer:
| Posting Key | Description | Account Type Debit/Credit |
| 01 | Invoice | Customer Debit |
| 02 | Reverse credit memo | Customer Debit |
| 03 | Bank charges | Customer Debit |
| 04 | Other receivables | Customer Debit |
| 05 | Outgoing payment | Customer Debit |
| 06 | Payment difference | Customer Debit |
| 07 | Other clearing | Customer Debit |
| 08 | Payment clearing | Customer Debit |
| 09 | Special G/L debit | Customer Debit |
| 11 | Credit memo | Customer Credit |
| 12 | Reverse invoice | Customer Credit |
| 13 | Reverse charges | Customer Credit |
| 14 | Other payables | Customer Credit |
| 15 | Incoming payment | Customer Credit |
| 16 | Payment difference | Customer Credit |
| 17 | Other clearing | Customer Credit |
| 18 | Payment clearing | Customer Credit |
Posting key for Account type general Ledger:
| Posting Key | Description | Account Type Debit/Credit |
| 40 | Debit entry | G/L Debit |
| 50 | Credit entry | G/L Credit |
| 80 | Stock initial entry | G/L Debit |
| 81 | Costs | G/L Debit |
| 83 | Price difference | G/L Debit |
| 84 | Consumption | G/L Debit |
| 85 | Change in stock | G/L Debit |
| 86 | GR/IR debit | G/L Debit |
| 90 | Stock initial entry | G/L Credit |
| 91 | Costs | G/L Credit |
| 93 | Price difference | G/L Credit |
| 94 | Consumption | G/L Credit |
| 95 | Change in stock | G/L Credit |
| 96 | GR/IR credit | G/L Credit |
Posting keys for Account Type Assets:
| Posting Key | Description | Debit/Credit |
| 70 | Debit Asset | Debit |
| 75 | Credit Asset | Credit |
Posting keys for Account Type Material for Stock Inward / Outward Movement:
| Posting Key | Description | Account Type Debit/Credit |
| 89 | Material Debit | |
| 99 | Material Credit |
Posting keys for Account Type Vendor:
| Posting Key | Description | Account Type Debit/Credit |
| 21 | Credit memo | Vendor Debit |
| 22 | Reverse invoice | Vendor Debit |
| 24 | Other receivables | Vendor Debit |
| 25 | Outgoing payment | Vendor Debit |
| 26 | Payment difference | Vendor Debit |
| 27 | Clearing | Vendor Debit |
| 28 | Payment clearing | Vendor Debit |
| 29 | Special G/L debit | Vendor Debit |
| 31 | Invoice | Vendor Credit |
| 32 | Reverse credit memo | Vendor Credit |
| 34 | Other payables | Vendor Credit |
| 35 | Incoming payment | Vendor Credit |
| 36 | Payment difference | Vendor Credit |
| 37 | Other clearing | Vendor Credit |
| 38 | Payment clearing | Vendor Credit |
| 39 | Special G/L credit | Vendor Credit |
Posting key Configuration:
Path: SPRO/ SIMG à Financial Accounting à Financial Accounting Global Settings à Document types à Define Posting keys
Transaction code – OB41
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