541.47.18. Without restricting the generality of section 541.47.17, once the agreement and the band text are in force, no tax is payable or is deemed to have been paid or collected in respect of a supply, the acquisition of a property or an insurance premium under the text of law with which the band text is harmonized to the extent that, under the band text, a tax is payable or is deemed to have been paid or collected in respect of that supply, property or premium.