部分从表TBSL取出的数据
| Posting key（bschl） | D/C(借/贷) (SHKZG) S-Debit H-Credit | Account Type（koart） |
| 11 | H | D Customers |
| 29 | S | K Vendors |
| 31 | H | K Vendors |
| 40 | S | S G/L accounts |
| 50 | H | S G/L accounts |
相关的T-code
FB03： 查会计凭证
F-48： downpayment posting
F-02： G/L account posting
KA02/KA03： handle cost element
OKB9：
set Default account assignment and Detailed per business area/valuation area。
cope with “Account xxxx requires an assignment to a CO object”
when use F-02 or BAPI_ACC_DOCUMENT_POST/CHECK,it is said that it can also be solved by using "KA02" to specify default cost center for Cost expense account.