N.M. Stat. § 73-7-21
[Additional assessments; how made.]
If in the first assessment for construction the commissioners shall have reported to
the court a smaller sum than is needed to complete the work of construction, or if in any
year an additional sum is necessary to pay the interest on lawful indebtedness of said
drainage district, further or additional assessments on the land and corporations
benefited, apportioned upon the last assessment of benefit which has been approved by
the court, shall be made by the commissioners of said drainage district under the order
of the court or presiding judge thereof without notice, which further or additional
assessment may be made payable in installments as specified in Section 73-7-15
NMSA 1978, and shall be treated and collected in the same manner as the original
assessments for construction confirmed by the court in said drainage district.