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Transactions Module

The Transactions module is the operational core of Petroleu. Every sale, purchase, and cash movement is recorded here as a voucher. Each voucher automatically updates stock levels and ledger accounts.

Nozzle Sales

Nozzle Sales​

Nozzle sales record fuel dispensed from pump meters. For each nozzle:

  • Enter the opening and closing meter reading — the system calculates net liters automatically
  • Set the sale rate per liter
  • Multiple nozzles can be recorded in a single daily voucher
  • Voucher posts to: nozzle sale revenue account and reduces tank stock

Credit Sales​

Credit sales record fuel given on credit to registered customer vehicles.

Credit Sales

  • Select vehicle — customer and product auto-fill
  • Enter quantity and rate per line
  • Multiple vehicles/customers can be on one voucher
  • Voucher posts to: customer receivable account and reduces stock

Fuel Purchases​

Purchase vouchers record incoming fuel deliveries from suppliers.

Fuel Purchases

  • Select supplier and the product/tank receiving the delivery
  • Enter quantity (liters) and rate per liter
  • Voucher posts to: tank stock increase and supplier payable account
  • Reference (GD) number can be stored for each delivery

Cash Payments​

Cash payment vouchers record outgoing cash — payments made to suppliers or for expenses.

Cash Payments

  • Select the account being paid (supplier, expense, etc.)
  • Enter amount, optional reference number and narration
  • Voucher reduces the cash account and credits the selected account

Cash Receipts​

Cash receipt vouchers record incoming cash — payments received from customers or other sources.

  • Select the account making the payment (customer, owner, etc.)
  • Enter amount, optional reference number and narration
  • Voucher increases the cash account and debits the selected account

Opening Inventory​

Opening Inventory vouchers establish the starting stock for tanks and lubricant products at system go-live.

  • Add Tank Lines — select each tank, enter opening liters and cost rate per liter
  • Add Lube Lines — select each lubricant product, enter opening quantity and cost rate
  • Voucher posts stock movements and ledger entries for all lines
  • Voucher number format: OIV-XXXX

Dip Gain / Loss​

Dip entries reconcile physical tank readings against system stock to post the variance.

  • Select the tank and enter the physical dip reading in liters
  • System calculates the variance automatically (Gain if physical > system, Loss if physical < system)
  • Gain → stock increases; Loss → stock decreases
  • Corresponding ledger entries are posted to the Dip Gain or Dip Loss account
  • Voucher number format: DG-XXXX

Journal Voucher​

Journal vouchers allow manual double-entry accounting adjustments not covered by other transaction types.

  • Add as many debit and credit lines as needed (minimum 2 lines)
  • Each line: select Account A/C, optional Vehicle, optional Invoice #, optional Remarks, then enter either Debit or Credit amount (not both on the same line)
  • Real-time balancing panel shows Total Debit, Total Credit, and Difference
  • Voucher can only be saved when Total Debit = Total Credit (Balanced)
  • Voucher number format: JV-XXXX

All transaction vouchers support Edit and Delete operations. Deleting a voucher reverses all stock and ledger effects automatically.

For step-by-step operating instructions, visit the Screen Guides.