9. Transitional Provisions.
Nothing contained in this rules shall be applicable,-
(i) where the provision of service is completed; or
(ii) where invoices are issued
prior to the date on which these rules come into force.
Provided that services for which provision is completed on or before 30th day of June, 2011 or where the invoices are issued upto the 30th day of June, 2011, the point of taxation shall, at the option of the taxpayer, be the date on which the payment is received or made as the case may be.