The Pakistan Cricket Board (PCB) banned all 23 players who joined the ICL, but in February this year the Sindh high court suspended the bans on all but two ICL players, paving their way to return to Pakistan's squad.
Inzamam-ul-Haq and Saqlain Mushtaq, who are now retired, did not appeal against the ban.
"Yousuf and Razzaq snapped their ties with the ICL so we have cleared them to play for Pakistan and have included in the squad," a PCB release said.
Razzaq was the first ICL player to return to international cricket after he replaced injured all-rounder Yasir Arafat and appeared in the World Twenty20, which ended Sunday with Pakistan lifting the Twenty20 Cricket World Cup.
They beat Sri Lanka at Lord's in London, and will now play three Tests, five one-day internati