These regulations govern the fair hearing process and establish the rights and obligations of applicants, recipients, and social services agencies when an applicant or recipient seeks review of a social services agency action or determination regarding that individual's assistance or benefits under public assistance programs, medical assistance, the supplemental nutrition assistance program (SNAP), and the home energy assistance program (HEAP) and under various service programs as defined in section 358-2.20 of this Part and any program or service administered through the New York State Office of Temporary and Disability Assistance (OTDA) as described in 18 NYCRR Part 385.