Sharif said investments in greenfield industrial projects will be immune from any probe or scrutiny of the source of funds if they are set up before or after January 1 next year.
The other criteria include minimum investment of Rs 25 million, creation of at least five jobs and capital of over Rs 25 million, and one additional job for each Rs 5 million of capital invested.
A statement from the Prime Minister's Office said the immunity would not cover proceeds of crime or offences under the Narcotic Substances Act, Anti-Terrorism Act and Anti-Money Laundering Act.
Sharif announced the measures while addressing the business community here. He said captive power plants established as part of greenfield projects will be deemed to be part of such schemes.
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The facility will also be available for constructing low cost housing, livestock ventures, and mining and quarrying of Thar coal.
He said the facility would not be cover investments in sectors related to arms and ammunition, explosives, fertilisers, sugar, cigarettes, aerated beverages and cement.
The federal and provincial governments will facilitate the setting up of Special Economic Zones by recognised trade bodies. Provincial governments will also facilitate the acquisition of land for these zones.