42 CFR §426.506
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
No party or person (except Board staff) communicates in any way with the Board on any substantive matter at issue in a case, unless on notice and opportunity for all parties to participate. This provision does not prohibit a person or party from inquiring about the status of a case or asking routine questions concerning administrative functions or procedures.