The details of Sunday Premium payments are contained in this document.
Premium for Sunday Working
If not already included in the rate of pay, employees are generally entitled to paid time-off in lieu or a premium payment for Sunday working.
If an employee does not already receive a Sunday premium he/she is entitled to the premium payment for Sunday working payable to a comparable employee in a collective agreement in force in a similar industry or sector. This means that the Sunday premium, if not already paid, will be equivalent to the closest applicable collective agreement which applies to same or similar work under similar circumstances which provides for a Sunday premium.
Sunday only workers
An employee who is recruited to work on Sunday only is entitled to a premium rate.
Where an employee's Sunday premium payment or time off in lieu is not specified in a collective agreement or where no premium is paid for Sunday working, a complaint may be made to the Rights Commissioners service. In situations where the Rights Commissioner does not have the information, the employee making the complaint must identify or bring to the notice of the rights commissioner a relevant collective agreement specifying a Sunday premium.
Further information is available from the Workplace Relations website.