SEC. 247. General Provisions. -

(a) The additions to the tax or deficiency tax prescribed in this Chapter shall apply to all taxes, fees and charges imposed in this Code. The Amount so added to the tax shall be collected at the same time, in the same manner and as part of the tax.

(b) If the withholding agent is the Government or any of its agencies, political subdivisions or instrumentalities, or a government-owned or controlled corporation, the employee thereof responsible for the withholding and remittance of the tax shall be personally liable for the additions to the tax prescribed herein.

(c) the term "person", as used in this Chapter, includes an officer or employee of a corporation who as such officer, employee or member is under a duty to perform the act in respect of which the violation occurs.

(A) There shall be imposed, in addition to the tax required to be paid, a penalty equivalent to twenty-five percent (25%) of the amount due, in the following cases:

(1) Failure to file any return and pay the tax due thereon as required under the provisions of this Code or rules and regulations on the date prescribed; or

(2) Unless otherwise authorized by the Commissioner, filing a return with an internal revenue officer other than those with whom the return is required to be filed; or

(3) Failure to pay the deficiency tax within the time prescribed for its payment in the notice of assessment; or

(4) Failure to pay the full or part of the amount of tax shown on any return required to be filed under the provisions of this Code or rules and regulations, or the full amount of tax due for which no return is required to be filed, on or before the date prescribed for its payment.

(B) In case of willful neglect to file the return within the period prescribed by this Code or by rules and regulations, or in case a false or fraudulent return is willfully made, the penalty to be imposed shall be fifty percent (50%) of the tax or of the deficiency tax, in case, any payment has been made on the basis of such return before the discovery of the falsity or fraud: Provided, That a substantial underdeclaration of taxable sales, receipts or income, or a substantial overstatement of deductions, as determined by the Commissioner pursuant to the rules and regulations to be promulgated by the Secretary of Finance, shall constitute prima facie evidence of a false or fraudulent return: Provided, further, That failure to report sales, receipts or income in an amount exceeding thirty percent (30%) of that declared per return, and a claim of deductions in an amount exceeding (30%) of actual deductions, shall render the taxpayer liable for substantial underdeclaration of sales, receipts or income or for overstatement of deductions, as mentioned herein.

(A) In General. - There shall be assessed and collected on any unpaid amount of tax, interest at the rate of twenty percent (20%) per annum, or such higher rate as may be prescribed by rules and regulations, from the date prescribed for payment until the amount is fully paid.

(B) Deficiency Interest. - Any deficiency in the tax due, as the term is defined in this Code, shall be subject to the interest prescribed in Subsection (A) hereof, which interest shall be assessed and collected from the date prescribed for its payment until the full payment thereof.

(C) Delinquency Interest. - In case of failure to pay:

(1) The amount of the tax due on any return to be filed, or

(2) The amount of the tax due for which no return is required, or

(3) A deficiency tax, or any surcharge or interest thereon on the due date appearing in the notice and demand of the Commissioner, there shall be assessed and collected on the unpaid amount, interest at the rate prescribed in Subsection (A) hereof until the amount is fully paid, which interest shall form part of the tax.