11. Where an employee does two or more classes of work to each of which a
different minimum rate of wages is applicable, the employer shall pay to such
employee in respect of the time respectively occupied in each such class of
work, wages at not less than the minimum rate in force in respect of each such
class.
12. Where a person is employed on piece work for which minimum time rate and not a minimum piece rate has been fixed under this Code, the employer shall pay to such person wages at not less than the minimum time rate.
Section 2 definitions - Code on Wages 2019
Section 5 Payment of Minimum rate of Wages, Section 6 Fixation of Minimum wages
Section 7 Components of Minimum Wages
Section 8 Procedure for fixing and revising minimum wages
Section 9 Power of Central Government to fix floor wage
Section 10 Wages of employee who works for less than normal working day
Section 11 Wages for two or more classes of work Section 12 Minimum time rate piece work