New Mexico Constitution Article IV § 5 – Time and length of sessions; items considered in even-numbered years
A. Each regular session of the legislature shall begin annually at 12:00 noon on the third Tuesday of January. Every regular session of the legislature convening during an odd-numbered year shall remain in session not to exceed sixty days, and every regular session of the legislature convening during an even-numbered year shall remain in session not to exceed thirty days. No special session of the legislature shall exceed thirty days.
B. Every regular session of the legislature convening during an even-numbered year shall consider only the following:
(1) budgets, appropriations and revenue bills;
(2) bills drawn pursuant to special messages of the governor; and
(3) bills of the last previous regular session vetoed by the governor. (As amended November 5, 1940, November 5, 1946, and November 3, 1964.)