Complex sentence: The organization collects intelligence on tax evasion and audits cases with respect to unreported income, assets and expenditure, administers tax laws for the Government of Pakistan and acts as the central revenue collection agency of Pakistan.
Split into simpler sentences: The organization collects intelligence on tax evasion and audits cases with respect to unreported income, assets and expenditure. It administers tax laws for the Government of Pakistan and acts as the central revenue collection agency of Pakistan.