*Hola a Todos* previous disccuion led to a quite precise action path in the context of an colombian localization. We have analyzed some approaches around the world which could help us map our tax requirements.
We have seen modules krafted by Akretion in Brasil and made available to the comunity under the umbrella of OCA. We decided to build on top of these approaches. However in the intense discussion in previous threads, we have come up with an issue of beeing somwhat less flexible, less generic and less dynamic as it should be, and therefore not optimally abstractable. We analyzed the situation an came to the conclusion, that a somewhat flexible tax engine, which respects many country specialties, is not that hard thing to achieve. In contrary, to me, it rather seems quite *obvious, logic and simple, *what needs to be done. (there are some 4 weeks of intense think on this) I invite you, to help us review the basic ER Model set out here: http://goo.gl/LsnBTH (afaik you can comment on it with google docs commenting function) *The guiding principles are:* -* allocation sets* (of taxes) - "tax packages" - rules to apply those allocation sets, transforming fiscal_position_rule to somewhat "*fiscal_allocation_rule*" - and a somwhat new concept, which is at the moment partly inherent in "fiscal_position" and "product_fiscal_classification" which will be *fiscal_attributes*. Those attributes have their use case (partner, product), which could be quite easily extendible to tag invoice lines for example with their own set of fiscal attributes. As a second layer everything is contained within *specific domains*, which can be clustered arround tax concepts. The reason for this is to tear apart complexity and allow for a flexible re-combination of tax packages and an isolation of the logic around a specific domain (to avoide the 10x10x10x10x10x10x10 cases problem - which cannot be maintained by humans). Please feel free to contribute however you want, I hope to be able to learn how to host sprints on that topic and make it a somwhat more global effort, but not necessarely. I hope this will in some sooner or later future be adopted under the umbrella of OCA. Nothing less, nothing more. I think this is quite an ambitious start for some newcomers, but please look beyond that and convince yourself of the usefulness. (Logic is not so much an experience thing) *Best, and thanks for your feedback on the ERM* *Y cordiales saludos a los combattantes fiscales sudamericanos :)* David ---------------------- *David Arnold B.A. HSG* *Gerente* +57 315 304 1368 [email protected] www.elaleman.co El Alemán S.A.S, Carrera 13 # 93 - 40 P4, Bogotá D.C, Colombia
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