Kevin checks the option of defining reconciliation accounts for the special G/L transactions.

You can define the alternative reconciliation accounts for down payment requests and down payments in the Implementation Activities app under SAP Business Configuration → Accounting → General Ledger → Account Determination → Account Determination in General Ledger → Automatic Account Determination.
After Kevin studied automatic account determination, specifically for defining alternative reconciliation accounts for special G/L transactions within Financial Accounting. Note the following:
Note
The alternative reconciliation account can be different for each reconciliation account that is defined in the master record of the vendor.The alternative reconciliation account is assigned using the following levels:
Chart of account → account type (vendor or customer) → special G/L indicator → reconciliation account