Scott,

I decided on pragmatism and resisted the urge to start trying to make wholesale changes to something that is already working pretty damn well without my help :-)

My solution to GST on purchases? Create the PO and don't give a toss about GST; when the shipment arrives, you've got to reconcile the invoice anyway, so just make a GST tax adjustment on the invoice then. Simple, and since the GST is provided for you on the Tax Invoice from the supplier (at that is the law in Australia), then shoving that in as an invoice adjustment just works. Importantly, the Chart Of Accounts get updated correctly too.

I have to admit that as I was studying the code, I was struck by how much shipping and tax treatment is hardcoded. I started down the path of trying to see how hard it would be to define a tax and treatment policies, and drive the execution off those policies. Then my brain started to hurt and I realised with very small compromises I could use the system as is, which is I think a testament to its generality.

Cheers, Iain

Scott Gray wrote:

Hi Iain

I had quick look at this as I'm a kiwi and I'll need the same thing at point in the future for our GST here, so far all I've found is calcAndAddTax in CheckOutHelper.java which does nothing if the order type is not a sales order. I guess that would need to modified to handle purchase orders and somewhere further down the line would need to be logged against a different account rather than the 'sales tax collected' account. You would need to make it fairly flexible as you probably don't want GST showing up on overseas purchase orders which would be paid to customs rather than the supplier.

Good luck
Scott

Iain Fogg wrote:

Has anyone worked out a method for tracking GST/VAT on purchases (not sales)?

The code makes a pretty big assumption that SALES_TAX is not applicable to purchases, so I can't use that plumbing to implement GST on purchases, as you can with sales. Specifically, if I purchase GST-ratable products worth $110 from a supplier, then $10 of that (assuming a GST rate of 10%) is a claimable business expense. I need this fact recorded somewhere.

I've tried to mess about with Promos and Agreements to "fake" it, but no luck. Has anyone else solved this problem?

Cheers, Iain








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