The 34-year-old qualified for citizenship through his wife, who is a British citizen.
Pakistan players have been barred from participating in the IPL since the inaugural season, but Amir’s new status could allow him to enter the tournament under British nationality.
The left-arm pacer has already expressed interest in playing in the league, saying he would be open to the opportunity if selected.
However, it remains uncertain whether any IPL franchise would sign the former Pakistan international. A similar case occurred with former Pakistan all-rounder Azhar Mahmood, who represented IPL teams after acquiring British citizenship.
Pakistan cricketers last featured in the IPL during its inaugural edition in 2008 before being excluded following the Mumbai terror attacks.