REVENUE MEMORANDUM CIRCULAR NO. 61-2005 issued on October 28, 2005 provides basic questions and answers to clarify the Value-Added Tax (VAT) provisions of Republic Act (R.A.) No. 9337 applicable to the power industry, which includes generation, transmission and distribution companies as well as electric cooperatives as defined in R.A. No. 9136 (EPIRA) subject to the VAT as well as their suppliers and customers effective November 1, 2005.