NMSA 1978, § 7-4-20 — Agreements authorized in unusual cases

In circumstances within the scope of Section 7-4-19 NMSA 1978 and in other
circumstances where the revenues of this state would not be adversely affected, the
secretary is authorized to enter into an agreement in writing with any person with
respect to apportionment and allocation of that person's income. Except upon a showing
of fraud or misrepresentation of a material fact or a change in the statutory law, such
agreement shall be conclusive. Any agreement, however, may be terminated by either
party by written notice thereof to the other party at least ninety days before the
beginning of the taxable year to which the termination applies.