• Step 1 : Return the paid invoice amount to the customer's account (in AR)
• Step 2 : Return the cashed amount to the correct account (ex: Check, MasterCard, Check, ...)
• Step 3 : Payment collection (AR) with the necessary corrections.

THIS PROCEDURE WILL NOT AFFECT YOUR TECHNICIAN PERFORMANCE AND TAXES 

Step 1 - Return the paid invoice to the customer's account

View your invoice to reverse and take note:

• the amount,
• payment method
• the date
• If necessary, the number of the invoice included in the payment

Once this information is in hand, follow the instructions below:

From the Point of Sale,

a) create the category 

• Create a new part type category (ex: 295: 'NSF"),
  • Configured as a PARTS TYPE
  • Non-taxable,
  • Exclude from sales report,
  • Enter a description, 
• Save,

b) create the product: 

• Open the inventory window (Spyglass in the line item from the grid in POS)
• Click the "+",
• Chose the category: 295,
• Enter a new code (ex: ADJUST ) and continue,
• Save.

C) Back in the POS,

• Make a new estimate for this client,
• In the product line, enter a new code (ex: ADJUST ) and continue,
• Leave the default quantity ( 1 ),
• Enter the price that corresponds to the amount of the paid invoice,
• Save.

• You can verify the taxes by clicking on the product line you have just created and click on the small " EXT" button to the right of the line for adding a product,

• Click twice on your " NON TAXABLE " tax group (ex: "TAX-EXEMPT"),

• Click "F4" to close the invoice,
• Change the date to the NSF date,
• Select the payment "Receivable",
• Click on the $ icon,

• NOTE that the date of NSF transaction is normally 5-7 days from the original transaction

Step 2 - Remove the payment received of the payment on record (Check, MasterCard)

• Repeat exactly the same procedure from the previous step, changing only:
  • The description of the product (ex:  RETURN TRANSACTION: CHECK invoice # 50020 ),
  • The quantity of the product at -1,

• Click on F4 to close the invoice,
• Change the date to the NSF date,
• Select the payment Ex: "Check",
• Click on the $ icon,

• When invoicing, enter the correct transaction date of the NSF, the same method of payment as the payment received from the customer (ex: CHECK ),
• Click on the dollar sign "$" to close the invoice without printing or click on the printer to print.

Step 3 - Apply for the payment on the account after the collected NSF is eventually received

• Create a new estimate in the name of the same client,
• Click on the green dollar sign "$" or enter your "Account Receivable" product code (ex: AR),
• Select the invoice to pay,
• Close the invoice as usual, with a memo "NSF invoice for audit trail" the current date and method of payment.
• For more detail, visit the FAQ : How to register a payment on an account receivable customer?