(1) A cost estimate prepared pursuant to Rules 10,
11 and 13 has to be approved by the following authority:
(a) The cost estimate that does not exceed ten million rupees, by the gazetted third-class chief of office,
(b) The cost estimate that does not exceed fifty million rupees, by the gazetted second-class chief of office,
(c) The cost estimate that does not exceed one hundred million rupees, by the gazetted first-class chief of office,
(d) The cost estimate that exceeds one hundred million rupees, by the head of department.
(2) The cost estimate prepared pursuant to Rule 12 has to be approved by the following authority:
(a) The cost estimate that does not exceed one million rupees, by the gazetted third-class chief of office,
(b) The cost estimate that does not exceed two million five hundred thousand rupees, by the gazetted second- class chief of office,
(c) The cost estimate that does not exceed five million rupees, by the gazetted first-class chief of office,
(d) The cost estimate that exceeds five million rupees, by the head of department.
(3) If the chief of the public entity himself or herself cannot approve the cost estimate pursuant to this Rule or the description referred to in Rule 5A., he or she shall cause such a cost estimate or description to be approved by one level higher authority.
(4) Notwithstanding anything contained elsewhere in this Rule, the secretary or administrative chief of a constitutional organ or body, Ministry, secretariat and other office of similar nature may approve the cost estimate of any amount whatsoever for the procurement to be made for his or her office.