Pakistan, June 17 -- Fauji Fertilizer Company Ltd. (FFC), a unit of the Pakistan army-run Fauji Foundation, said on Monday its board had approved submitting an expression of interest to acquire a stake in loss-making national carrier PIA, according to a filing with the Pakistan Stock Exchange (PSX).

Islamabad is trying to offload a controlling stake of 51-100 percent in PIA under a $7 billion International Monetary Fund program aimed at overhauling state-owned firms. Authorities last month pushed back the deadline for expressions of interest to June 19.

"The board . has approved submission of an expression of interest and pre-qualification documents to the Privatization Commission . and undertaking a comprehensive due-diligence exercise...