how to get credit adjust against service tax paid on input

Vinay (Accounts Head) (51 Points)

14 October 2010  

In a shipping company , the company had formed in April .2010, since day one,we are paying  service tax on input serivces, 

Until,The shipping activities  started in Oct .2010. Our shipping service is under service tax category.our service bill will be

generate at the last day of the month.

our question is ,how can we get credit adjust  against  service tax paid on input services.
 

Vinay