Incorrect tax calculation with Gift Certificate

[Olivier@free]

Hi all!

I confess that I did not read all threads in here before posting this. So just redirect me if the problem has already been submited.

I get wrong tax calculation when using gift certificate:

I give an example with an order of two articles of 8 EUR each: 8 = 6,69 EUR + 1,31124 EUR (French TVA 19,6%).
Shipping is 5,1 EUR.
The Gift Certificate has a value of 20%.

Order without GC:
Sub-Total: €16.00

Table Rate (Best Way):€5.10

TVA 19.6%:€2.62

Total:€21.10


Order with GC:
Sub-Total: €16.00

Table Rate (Best Way):€5.10
Gift certificate: -€3.23 shoud be (16 X 20%) = 1,6

TVA 19.6%:€1.58 ????

Total:€16.86 ???


Any help?

Olivier
http://www.toile-a-matelas.com/shop

[Olivier@free]

Correction:

Gift certificate: -€3.23 shoud be (16 X 20%) = 3,2

Note that I have the same error when shipping is 0.

Olivier

[schoolboy]

Lots of posts on this one...

It's a bug in the module.

Try setting ot_coupon, reset tax as a CREDIT NOTE.

Look for other posts & threads.

[Olivier@free]

Thank you for your quick reply!

I found the following thread helpfull : 1.3.5 coupon tax calculation and fix .

The solution to my problem was to configure the Gift Certificate module with the following options:
- Sort order: 280 (default)
- Include shipping: false (default)
- Include Tax: true (default)
- Re-calculate Tax: None
- Tax Class: TVA

Not a bug. Just a training matter...

Olivier

[schoolboy]

Test it again with SEVERAL products in the cart...

With just ONE product, the tax calc is correct. with SEVERAL products, the tax calc is known to do funny things.