The Equal Pay Act on June 10, 1963 (effective June 11, 1964) made it illegal to pay women less than men for doing the same job strictly on the basis of their sex. This had been commonplace before. There had to be demonstrable differences in seniority, merit, the quality or quantity of work, or other considerations in order to merit different pay.<ref>http://www.dol.gov/oasam/regs/statutes/equal_pay_act.htm</ref> | The Equal Pay Act on June 10, 1963 (effective June 11, 1964) made it illegal to pay women less than men for doing the same job strictly on the basis of their sex. This had been commonplace before. There had to be demonstrable differences in seniority, merit, the quality or quantity of work, or other considerations in order to merit different pay.<ref>http://www.dol.gov/oasam/regs/statutes/equal_pay_act.htm</ref> |