29 CFR 785.44 - Civic and charitable work.
Time spent in work for public or charitable purposes at the employer's request, or under his direction or control, or while the employee is required to be on the premises, is working time. However, time spent voluntarily in such activities outside of the employee's normal working hours is not hours worked.
Title 29 published on 2013-07-01
no entries appear in the Federal Register after this date.