A severance petition is a representation petition filed by a labor organization that seeks to sever or slice a group of employees who comprise one of the occupational groups listed in 10-7E-13 NMSA from an existing unit for the purpose of forming a separate, appropriate unit. It must be accompanied by a thirty (30%) percent showing of interest among the employees in the petitioned-for unit. It may be filed no earlier than ninety (90) days and no later than sixty (60) days before the expiration date of a collective bargaining agreement or may be filed at any time after the expiration of the third year of a collective bargaining agreement with a term of more than three (3) years.
N.M. Admin. Code § 11.21.2.41