Ledger migration

Cutover plan to a new system without data loss

0/8 steps

Days for migration

1.Export trial balance at cutover2.Balances: bank, cash, inventory, FA3.AR/AP per counterparty4.Open contracts and obligations5.Employee records, payroll debts6.VAT: credit balance/ledger7.Import to new system + reconcile8.1-month parallel run

Safest cutover — at a period boundary (month/quarter/year). Mandatory 1-month parallel run: new books must match old to the penny. Risk areas — VAT credit and open contracts.