for certain circumstances The Secretary, the Secretary of Labor, and the Secretary of the Treasury shall jointly, through rulemaking, specify circumstances and processes by which the requirement under paragraph (1) may be waived, with respect to a schedule II, III, IV, or V controlled substance that is a prescription drug covered by a group health plan or group or individual health insurance coverage offered by a health insurance issuer, including in the case of— (A) a prescription issued when the participating provider and dispensing pharmacy are the same entity