OPINION PICKARD, Judge. {1} Respondent, the New Mexico State Engineer (State Engineer), seeks to appeal the district court's order reversing portions of the State Engineer's Active Water Resource Management (AWRM) regulations on the basis that some of the regulations are unconstitutional. At issue is whether the State Engineer should have sought review by our Court by filing a petition for writ of certiorari or by filing a notice of appeal. We take this opportunity to discuss the proper...