[§431:7-204.6] Limitation period for assessment, levy, collection, or refund. (a) The amount of insurance taxes imposed by this chapter shall be assessed or levied within three years after the annual return was filed, or within three years of the due date prescribed for the filing of the return, whichever is later, and no proceeding in court without assessment for the collection of any such taxes shall be begun after the expiration of the period.

(b) In the case of a false or fraudulent return with intent to evade tax, or of a failure to file the annual return, the tax may be assessed or levied at any time.

(c) Where, before the expiration of the period prescribed in subsection (a) or (d), both the commissioner and the taxpayer have consented in writing to the assessment or levy of the tax after the date fixed by subsection (a) or the credit or refund of the tax after the date fixed by subsection (d), the tax may be assessed or levied, or the overpayment, if any, may be credited or refunded, at any time prior to the expiration of the period agreed upon. The period so agreed upon may be extended by subsequent agreements in writing made before the expiration of the period previously agreed upon.

(d) No credit or refund shall be allowed for any tax imposed by this chapter, unless a claim for such credit or refund shall be filed as follows:

Paragraphs (1) and (2) are mutually exclusive. The limitation shall not apply to a credit or refund pursuant to an appeal provided for by section 431:7-204.5, or to a payment under protest as provided in section 40-35. [L 1992, c 236, §4]