Labor Standards Act Article 33

Where the living convenience of the public or other special cause necessitates the adjustment of regular working hours and overtime hours for business (or industries) under Article 3 other than manufacturing and mining in a manner not contemplated in Articles 30 and 32, the local competent authorities, may if necessary, by order permit such adjustment after having consulted both the competent authority with jurisdiction over the business (or industries) and the labor union.