The department of revenue shall maintain a taxpayer services program consisting of, but not limited to:

(1) Providing taxpayer assistance in the form of information, education, and instruction in person, by telephone, or by correspondence;

(2) Conducting tax workshops at locations most conveniently accessible to the majority of taxpayers affected; and

(3) Publishing written bulletins, instructions, current revenue laws, rules, court decisions, and interpretive rulings of the department of revenue.