Section 13(3)(a) in The Bihar Public Irrigation and Drainage Works Act, 1947
(a)all the expenses specified in clauses (a) and (b) of sub-section (2) of Section 12 incurred in respect of the said work before the issue of an order under sub-section (1) of Section 5 [or Section 5A] [Inserted by Section 6 of Bihar Act 3 of 1951.] directing that the said work shall be executed;