80. Penalty not to be imposed in certain cases.
(1) Notwithstanding anything contained in the provisions of section 76 section 77 or first proviso to sub- section (1) thereof section 78, no penalty shall be imposable on the assessee for any failure referred to in said provisions, if the assessee proves that there was reasonable cause for the said failure.
"(2) Notwithstanding anything contained in the provisions of section 76 or section 77 or section 78, no penalty shall be imposable for failure to pay service tax payable, as on the 6th day of March, 2012, on the taxable service referred to in sub-clause (zzzz) of clause (105) of section 65, subject to the condition that the amount of service tax along with interest is paid in full within a period of six months from the date on which the Finance Bill, 2012 receives the assent of the President.";