http://ofbiz.116.s1.nabble.com/OFBiz-Users-Ofbiz-use-in-the-UK-tp135221p135237.html
Yes, I think that is a very good idea.
> Hi all,
>
> there are some situations (specific markets, countries, rules etc...
> see the attached messages from this list) in which tax calculation can
> be very complex.
>
> In order to provide a flexible/extensible/customizable mechanism for
> tax calculation and in the same time to keep things as simple as
> possible, what about implementing all tax rules as services that
> implement the same service interface?
> The specific service to be used for tax calculation could be directly
> linked to the product (for example adding a new field to the Product
> entity); if you need to implement a new tax rule, you just have to
> create a new service that implements the tax service interface and
> attach it to the product.
> In this way we could quickly collect a good library of tax calculation
> algorithms (i.e. services) ready to be used.
>
> This is obviously only a draft of design... I'd love to get your
> feedback about it.
>
> Jacopo
>
> David E. Jones wrote:
>
>>
> >> I was just trying to point out how hellishly complicated VAT
>
>>> classification, calculation and invoicing can get in the UK and
>>> undoubtedly in other countries, too.
>>>
>>> For instance, I have just come another ludicrous rule from Customs
>>> & Revenue: packaged animal feed incurs standard VAT if it is less
>>> than 12.5 kg, otherwise zero VAT.
>>>
>>> There are specific rules for rounding (on which digit, when up,
>>> when down); invoices need to detail VAT codes for every item, etc, etc
>>>
>>> I don't know OFBiz well enough yet to make an informed comment
>>> where and how these tax issues are handled. I am just presuming
>>> that each country will need its specific VAT implementation.
>>
>>
>>
>>
>> Right now the tax calculation in OFBiz is fairly simple. Certain
>> things can be accommodated, but there isn't a full-featured tax
>> calculation piece in OFBiz. It is getting better over time, but like
>> you say tax rules can get really funky... We have done integrations
>> with TaxWare and the like in the past, but these are quite expensive
>> and technically a pain to deal with too....
>>
>> If you're interested in helping with or sponsoring any of this, that
>> would be great... We actually do have some funding for various tax
>> extensions right now, so some stuff will be going in soon.
>>
>> -David
>>
>
>
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