Is there any Possibility of making Transaction Incomplete after Transferring to GL

Dear All,

May i know is there any Possibility of making Sales Invoice (Transaction) from Complete to Incomplete.

I am having requirement After Transfered to GL also i need to make some adjustment to that invoice.

When i am reviewing Transaction Type Setup, i found below option will this help full to me.

Allow Adjustment Posting.

Note: This Adjustment i am Speaking is towards Invoice (Not towards Credit Memo,Debit Memo, Deposit and Gaurentee)

Thanks for Reply