The administrative agent shall create and shall publish in plain English, and in such other languages as may be appropriate to serving its client base, a written operating manual, setting forth procedures for administering such affordability controls, including procedures for long-term control of restricted units; for enforcing the covenants of N.J.A.C. 5:80-26.18 and for releasing restricted units promptly at the conclusion of applicable control periods. The administrative agent shall have authority to take all actions necessary and appropriate to carrying out its responsibilities hereunder. The operating manual shall have a separate and distinct chapter or section setting forth the process for identifying applicant households seeking certification to restricted units, for reviewing applicant household eligibility, and for certifying applicant households in accordance with the household certification and referral requirements set forth in N.J.A.C. 5:80-26.16.