Public Law 92–278

That the third Sunday in June of each year is hereby designated as “Father’s Day”. The President is authorized and requested to issue a proclamation calling on the appropriate Government officials to display the flag of the United States on all Government buildings on such day, inviting the governments of the States and communities and the people of the United States to observe such day with appropriate ceremonies, and urging our people to offer public and private expressions of such day to the abiding love and gratitude which they bear for their fathers.