Chief Commissioner Inland Revenue (Large Taxpayers Unit, Karachi/Lahore/Islamabad) LTUs were established with the objectives to provide convenience to the Large Taxpayers.

Chief Commissioners are In-charge of the LTU are responsible  for :

1. All matter relating to administrative control.

2. Generation of revenue with in jurisdiction.

3. Enforcement/collection of revenue.

4. Facilitation of Taxpayer.

5. All legal issues pertaining to the jurisdiction.

6. Any other assignment by the chairman.

He/She is assisted by Commissioner Additional Commissioner , Deputy Commissioner, Assistant Commissioner/Taxation Officers..

List of Chief Commissioner Inland Revenue Large Taxpayer Units.

1. Chief Commissioner Inland Revenue Large Taxpayer Unit Karachi

2. Chief Commissioner Inland Revenue  Large Taxpayer Unit Islamabad

3. Chief Commissioner Inland Revenue  Large Taxpayer Unit Lahore