Navigate to General Ledger Super User > Setup > Open/Close
2. Purchasing Period
Navigate to Purchasing Super User > Setup > Financials > Accounting > Control Purchasing Periods
3. Inventory Period
Navigate to Inventory > Accounting Close Cycle > Inventory Accounting Periods
4. Receivables Period
Navigate to Receivables Manager > Control > Accounting > Open/Close Periods
5. Payables Period
Navigate to Payables Manager > Accounting > Control Payables Periods