The New Mexico Public Education Department (NMPED) has made available a powerful set of resources for NM teachers and administrators at http://teachnm.org. We encourage you to utilize this website when you have questions about teaching-related issues in order to most quickly find your answers and accomplish your goals!
You are correct, SLPs do not complete dossiers. Please see these links from the Licensure Bureau website, which show how SLPs and other Instructional Support Providers complete their licensure applications:
Also see the NM statute concerning licenses for Instructional Support Providers: http://www.nmcpr.state.nm.us/nmac/parts/title06/06.063.0003.htm