and D1 stamps. Please note request is regarding general information and I enclose illustrative example as follows: Person is retiring on a D1 Public Sector occupational pension scheme with 35 years D1 contributions and has 5 years A1 contributions from previous employment(s), before they joined the public sector. • Can that person get a mixed rate pro rata contributory pension in relation to their A1 PRSI record when they have less than 520 contributions • Can you advise how the mixed rate contributory pension would be calculated