Anyone under the influence of alcohol or any drug that has been defined as a “controlled substance” may not enter Postal Service property or operate a motor vehicle on Postal Service property. The possession, sale, or use of any “controlled substance” (except when permitted by law) or the sale or use of any alcoholic beverage (except as authorized by the Postmaster General or designee) on Postal Service premises is prohibited. The term “controlled substance” is defined in Title 21, United States Code, section 802. Smoking is prohibited in all Postal Service buildings and office space, including public lobbies.
