The actual text of the Constitution is the final and absolute yardstick all laws are measured against. When the Supreme Court considers the constitutionality of any law it must measure the law against the original text of the constitution and its plain meaning when it was written.
Notice of working hours/changes. Your employer must give you reasonable notice of any changes to your working hours, such as cancelling your shifts. They may request last minute changes (such as ringing you that morning to say that they do not require you to work) and you can choose to agree to this change.
ARTICLE 17. Hours of Work and Overtime. Section 1. Biweekly Work Period. The work period is defined as eighty (80) hours of work normally performed on ten (10) work days within the fourteen (14) consecutive calendar days which coincide with. current biweekly pay periods. Section 2. Work Days. The work day shall consist of twenty four (24) consecutive hours commencing at 12:01.