See Administrative Practice Letter: Time Reporting for important details.
Maine Statute: Timely and full payment of wages (http://legislature.maine.gov/statutes/26/title26sec621-A.html)
Department of Labor Fact Sheet #22: Hours Worked Under the Fair Labor Standards Act: https://www.dol.gov/whd/regs/compliance/whdfs22.htm
FLSA: What is Considered Work (Paid Time)? (20:07): https://youtu.be/IC8cpTGMs8M
Time Management Training Materials: