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Small and medium business | Business Central, N...
Suggested Answer

Coupons or items with negative prices?

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Posted on by 150

I'm trying to create an item that, when added to a sales order, decreases the total amount due. How can this be done? It's not possible to create an item with a negative price.

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  • Teddy Herryanto (That NAV Guy) Profile Picture
    14,306 Super User 2026 Season 1 on at

    Why are you using Order, instead of Credit Memo ?

  • divyeshchitte Profile Picture
    970 on at

    Can you let us know the reason behind doing so...

    if you are providing discount to Customer , you can enter it into discount section in the lines.

    if you are booking it against the invoice then you have to book Credit Memo.

  • SSDev1 Profile Picture
    150 on at

    It cannot be a credit memo because it's a sales order. Items are being sold to a customer. However, there is an item or two on the transaction that would discount the total of the transaction. The total is still a positive amount that the customer owes to the company.

  • divyeshchitte Profile Picture
    970 on at

    Try Using Line Discount on the line section or Invoice discount.

  • SSDev1 Profile Picture
    150 on at

    Are discounts only percentages? And special pricing a full price of the item? Neither would work for what I'm trying to do because it would need to be a fixed amount off. For example, a discount of $2 off instead of %10 off.

  • Teddy Herryanto (That NAV Guy) Profile Picture
    14,306 Super User 2026 Season 1 on at

    You can put the amount on the invoice discount.

  • SSDev1 Profile Picture
    150 on at

    Unfortunately having a total discount amount for the invoice wouldn't work either. I need it to work like coupons where there are different amounts off available and they can add them to the order if they have the "item" number for them. In some cases, they are connected to specific items, in other case they are on their own for the whole transaction.

  • Teddy Herryanto (That NAV Guy) Profile Picture
    14,306 Super User 2026 Season 1 on at

    What is the error message you get when you post item with negative unit price ?

    I tried posting one and it went through. Quantity is positive, unit price is negative.

    If you can't do item, try using GL Account.

    pastedimage1579637031830v1.png

  • SSDev1 Profile Picture
    150 on at

    The sales order itself does allow using a negative price like in your example, but what I was trying to do was set up the item with a negative price (before the sale). The reason is because there are a set of hundreds of different coupons / rewards certificates with their own "item" numbers and amounts off that are set up ahead of time. Then the cashier will add them to the sale. They wouldn't necessarily know the amount off at the time of the sale because that's set up ahead of time.

  • Suggested answer
    Teddy Herryanto (That NAV Guy) Profile Picture
    14,306 Super User 2026 Season 1 on at

    Okay, you are talking about inputting negative price into the item master or the special sales price.

    BC does not allow you to do that by default.

    You will need to do customization on that.

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