With respect to women over 18 full years of age engaged in enterprises other than those under the preceding paragraph, an employer, even if pursuant to an agreement under Article 36, shall not have overtime work for a period measured in weeks – as established by ordinance but not to exceed a four-week period – in excess of the number of hours derived by multiplying the number of hours established by ordinance, which shall be no fewer than 6 hours nor greater than 12 hours, by the number of weeks in such period; shall not have overtime work for a one-year period in excess of the number of hours established by ordinance, which shall be no fewer than 150 hours nor greater than 300 hours; and shall not have work on rest days during a four-week period in excess of the number of rest days established by ordinance.