A brand to be closed out shall have been sold or offered for sale in the state for a period of at least one year before any application for a closeout sale is made to the department and it shall have first been offered to the producer, wholesaler or supplier from whom purchased and such vendor shall have refused to purchase the goods. No delivery or sale of such closed out brand shall be made in the state for two years after the effective date of any authorized changed price, except that the delivery or sale of any brand of beer may be made, within such two-year period, in that portion of the state that is not within the wholesaler permittee’s franchise territory wherein the closeout sale was authorized.