Store located in Canada is looking for someone who can make the following modifications to its Oscommerce ([url removed, login to view]) site
1-Set up Oscommerce so that when customer creates account they can only place a blank, an American State, Canadian Province or Territory, in the province/state field.
2-Set Up Oscommerce so that Canadian customers are charged appropriate sales tax contingent upon which Canadian province or territory they reside.
3-Set Up Oscommerce so that only Canadians customers can be/are charged and sent items Cod.
4-Activate site's "contact us" function.