Correct the bills of a bill's billing cycle one by one: the project, task, days and rate card of each that is not sent…

Correct the bills of a bill’s billing cycle one by one: the project, task, days and rate card of each that is not sent to the ERP, closed or waived, and only the rate card of an indirect one. A bill moved to another card is re-priced as a reversal and a new ledger entry for its part of the charge alone; bills already sent keep theirs.