Income-tax books/records requirements depend on taxpayer/business facts. The supporting review uses bank statements, sales/purchase records, and invoices and bills and follows Understand the business and reporting cycle, Collect and organise source records, and Record and reconcile transactions.

Bookkeeping normally starts with sales/purchase records, bank statements, and invoices and bills. GST section 35 and related rules impose detailed accounts/records obligations for registered persons, including audit trails for electronic records.

Companies Act section 128 requires companies to maintain books and financial statements with specified standards/retention. The supporting review uses prior books/financial statements, invoices and bills, and sales/purchase records and follows Record and reconcile transactions, Prepare management/compliance outputs, and Maintain a repeatable close process.

Before filing or responding, reconcile prior books/financial statements, expense/employee/payment data, and invoices and bills against GST/TDS/payroll linkage and bank/ledger reconciliation. Companies Act section 128 requires companies to maintain books and financial statements with specified standards/retention.

Before filing or responding, reconcile prior books/financial statements, opening balances, and expense/employee/payment data against period-close support and financial-statement preparation support where in scope. Companies Act section 128 requires companies to maintain books and financial statements with specified standards/retention.