Drug Testing Controlled Substance Forms N.C. Controlled Substance Forms View Forms Controlled Substance Laws and Administrative Rules Controlled Substance Examination Regulation Act The Wage and Hour Bureau enforces the Controlled Substance Examination Regulation Act, which protects individuals from unreliable and inadequate examinations and screening, and ensures procedural requirements for the administration of controlled substance examinations are established. Controlled Substance Examination Administrative Rules The N.C. Department of Labor adopts administrative rules, which provide further information regarding enforcement of the act. The rules for the Controlled Substance Examination Regulation Act can be found at the Office of Administrative Hearings website.