Must institutional officials approve all quota changes, additions, and withdrawals in the Registration, Ranking, and Results (R3) system? August 6th, 2021 Print this page Share on Facebook Share on LinkedIn Share on Twitter Send as Email Sharing options If you still have questions, our team is available to assist you. Contact us for additional support. Support 866-653-NRMP Policy 202-400-2235 Billing 202-400-2238 Yes. Program directors can enter changes in the R3 system, but they must be approved by the institutional official.