(1) The Commissioner shall, under the provision of section 41, select by the 31st of January or by any date before the close of every year, commencing from the appointed day, not less than twenty per cent of registered dealers for audit during the following year, by random selection with or without the use of computers:

Provided that for the year commencing with the appointed day, the selection of dealers for audit under this sub-rule shall be made by the 30th of September of that year.

(2) The Commissioner, where considers it necessary to safeguard the interest of revenue or where any enquiry is required to be conducted on any specific issue or issues relating to any dealer, or class or classes of dealers, on being referred by an officer appointed under sub-section (2) of section 3, may direct audit to be taken up.

(3) The Commissioner may, on the basis of apparent revenue risk of theindividual dealers, make selection of dealers for special or investigation audit. The revenue risk may be determined on objective analysis of the risk parameters or on receipt of intelligence or information, regarding evasion of tax.

(4) For the control of large taxpayers, the Commissioner may, plan audit checks across the totality of the business of such dealers, within an audit cycle of two years.