To participate in the Main Residency Match, a program must be either
- accredited by the Accreditation Council for Graduate Medical Education (ACGME®); or
- a combined program that is approved or recognized by the American Board of Medical Specialties or by the respective specialty board that is responsible for board certification of residents who successfully complete the combined program.
Each program must meet these requirements by the Rank order List Certification Deadline. A program cannot enroll in the Match until the designated institutional official has registered with the NRMP through the Registration, Ranking, and Results® (R3®) system.