User field during checkout

[Priyal]

I need a checkbox field at checkout named "Tax exemption" such that when user checks, corresponding tax over product is removed and vice versa.

I know about custom field option in virtuemart, but those are managed from back end. i need user managed field (user have privilege of including excluding tax during checkout). Kindly guide me how this can be achieved.

Thanks in advance!

[Milbo]

Check the avatax plugin. There are exemptions integrated

[Priyal]

Hi Milbo

I've added Avalara VM - Calculation tax rule . Enabled "tax_usage_type" in shopper fields. But I'm unsure of its usage here in my cart. Now The products are displaying without tax included.
Suppose I have a product with base price $257.00 . I want 6% tax over products so now price becomes $272.42. With Avalara included, base price is $257 only at checkout. No tax included.

Can you guide me over product taxability rules!!

[Milbo]

No, I mean you can read there as it is handled.