All persons, firms and corporations shall promptly pay all taxes and other amounts due from them to the state, or to any political subdivision, official, department, board, commission or other collecting agency thereof authorized by law to collect the taxes and other amounts due by any authorized commercially acceptable means, in money, United States currency or by check, bank draft, certified check, cashier's check, post office money order, express money order or electronic funds transfer payable and delivered to the official, department, board, commission or collecting agency thereof authorized by law to collect the taxes and other amounts due and having the account upon which the taxes or amounts due are chargeable against the payer of the taxes or amounts due. The duly elected or appointed officers of the state and of its political subdivisions, departments, boards, commissions and collecting agencies having the account on which the taxes or other amounts due are chargeable against the payer of the taxes or other amounts due and authorized by law to collect the taxes or other amounts due, and their respective agents, deputies, assistants and employees shall in no case be the agent of the payer in and about the collection of the taxes or other amounts, but shall at all times and under all circumstances be the agent of the state, its political subdivision, official, department, board, commission or collecting agency having the account on which the taxes or amounts are chargeable against the payer of the taxes or other amounts due and authorized by law to collect the same.