The hearing officer may allow the record to remain open for a reasonable period of time after the conclusion of the hearing to allow any party or interested participant to submit proposed findings of fact and conclusions of law and closing argument. The hearing officer's determination shall be announced at the conclusion of the hearing. All such submissions shall be in writing, shall be served upon all parties, and shall contain adequate references to the record and authorities relied on. No new evidence shall be presented unless specifically allowed by the hearing officer.
N.M. Admin. Code § 20.1.2.401