“Although the challenge to the constitutional validityand legality of the levy of service tax is rejected, thewrit petitioners have some subsidiarycomplaints. Theysay that although the levy of service tax from the usersof the services rendered by the goods transportoperators was introduced with effect from 16th November, 1997, the levy was exempted for the periodsubsequent to 2nd June, 1998 in view of the notificationdated 2nd June, 1998which is still operative. Yet therespondents had raised demands for service tax forperiods subsequent to 2nd June, 1998. It has beenconceded by the Union of India that the amendmentsmade in the Act would have to be read along with thenotifications so that the levy and collection of servicetax would be only in respect of services rendered bygoods transport operators between the period from 16th November, 1997 to 2nd June, 1998. Similarly there canbe no tax liability on users of the services of the clearing and forwarding agents beyond 1.9.1999 when by notification No.7/99 dated 23.8.99, the levy of servicetax on the services provided by clearing and forwarding agents were exempted. Furthermore the liability to payinterest or penalty on outstanding amounts will arise only if the dues are not paid within the period of two weeks from the order passed by this Court on 17th November, 2003. In those cases in which the tax mayhave been paid but not