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Electronic Code of Federal Regulations
Title 40: Protection of Environment
§27.15 Ex parte contacts.
No party or person (except employees of the presiding officer's office) shall communicate in any way with the presiding officer on any 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 question concerning administrative functions or procedures.