Fund members can apply for a half (50%) retirement pension from Tryggingastofnun (TR) opposite half a pension from Gildi and other pension funds from the age of 65. One of the conditions for such pension withdrawal is that the fund member must be active in the labour market but be in no more than a 50% employment ratio.
The TR website states the following conditions for starting to withdraw half a pension:
Payments of half of the retirement pension from TR begin when the institution has received confirmation that payments have begun with the pension funds that allow the payment of half of the retirement pension.
Income income allowance for half of the retirement pension can be found here