(a) If any person who is required by this article to do so shall fail or refuse to make a return, either in whole or part, or if the treasurer believes the tax imposed by this article has been insufficiently returned by any taxpayer, the treasurer may proceed to assess the tax and shall notify the person assessed of the amount of the tax, additional tax, interest and penalties so assessed.
(b) The treasurer may, at any time before the assessment becomes final, amend, in whole or in part, any assessment whenever the treasurer ascertains that such assessment is improper or incomplete in any material respect. The treasurer may, at any time within the period prescribed for assessment, make a supplemental assessment whenever the treasurer ascertains that any assessment is incorrect in any material respect.
(c) The amount of tax, interest and penalties imposed by this article shall be assessed within three (3) years after the date the second semi-annual return for the year in which such tax arose is filed by the taxpayer; provided, that in the case of a false or fraudulent return filed with the intent to evade the tax or in case no return is filed, an assessment may be made at any time. (Passed 7-19-10.)