In performing duties under this Act, the Secretary-General and competent officials shall be the officials under the Penal Code. Section 65. The Office of the NBTC’s revenues shall be derived from the followings: (1) spectrum license fees and business license fees under Section 42 paragraph two and Section 45 paragraph three; (2) Revenues or benefits accrued from the conduct of duties of the NBTC and the Office of the NBTC; (3) Revenues derived from the Office of the NBTC’s property; (4) Money and property donated to the Office of the NBTC in accordance with the regulation set forth by the NBTC for the work of the Office; (5) Subsidies from the government. Revenues of the Office under (1) and (2) after deducting by expenditures for efficient conduct of the Office, necessary burden costs, and money allocated for the Fund under Section 52 and the Technology Development for Education Fund under the law on national education shall be remitted to the state treasury. In the case where the Office’s revenues are not sufficient for efficient conduct of the Office, including necessary burden costs, and other sources are not available, the government shall allocate the national budget to the Office as necessary. Section 66. For the benefit of the national budget allocation for the Office of the NBTC under Section 65 paragraph three, the Office shall submit an estimated budget annual budget to the Council of Ministers in order to grant subsidies to the Office under the annual appropriation bill or additional budget bill as the case may be. In this regard, the Council of Ministers may comment on the Office appropriated budget in its submission for annual appropriation bill or additional budget bill. The House of Representatives or the Senate may request the presence of the Secretary-General in order to give information for the Houses’ consideration. Section 67. All immovable property which the office of the NBTC has acquired by procurement of exchange from the revenues of the Office according to Section 65 (1) (2) or (3) or donation according to (4) shall be owned by the Office. For state property under the Rachaphatsadu land under the law on Rachaphatsadu land which has been occupied by the Office, the Office shall have the authority in governing, taking care of, maintaining, using and seeking gain in accordance with the regulations prescribed by the NBTC. Property of the Office of the NBTC shall be non-leviable. Section 68. The financial accounts of the Office of the NBTC shall be prepared in accordance with the international accounting standard ruled by the Federation of Accounting Professions and there shall be an internal audit on finance, accounting and