United States Postal Service (USPS)

The United States Postal Service (USPS) governs the United States Postal Inspection Service (USPIS) which is an agency that is responsible for enforcing the laws that protect the U.S. mail system from illegal and dangerous usage.

In the context of sweepstakes and giveaway promotions, sweepstakes that are advertised via U.S. mail could result in mail fraud regulation violations if the Sponsor does not comply with applicable sweepstakes laws.