(1) Ten hours of labor shall be a legal day’s work, and when any person employed to perform manual labor of any kind by the day, week, month or year renders 10 hours of labor, he or she shall be considered to have performed a legal day’s work, unless a written contract has been signed by the person so employed and the employer, requiring a less or greater number of hours of labor to be performed daily.
(2) Unless such written contract has been made, the person employed shall be entitled to extra pay for all work performed by the requirement of his or her employer in excess of 10 hours’ labor daily.