(1) The requisitions referred to in clauses (a) and (b) of sub-section (1) of section 6 shall be made by the auditor in Form No. 1 and shall be sent to the Chief Officer or Administrative Officer, as the case maybe, or, in his absence, to the Secretary or other head of the ministerial establishment of the local authority by registered post or messenger. If the requisition is sent by a messenger, an acknowledgement from the officer concerned with the date of receipt shall be obtained in the transit book. A record of all requisitions shall be kept in Form No. 2.
(2) Invitation to be sent in the form of letter:- The invitation, which an auditor may issue in pursuance of clause (c) of sub-section (1) of section 6 to the Chairman or other honorary officers or member of a local authority, shall be in the form of a letter addressed to such officer or member. A copy of every such letter shall be retained in the case file. The invitation shall be sent either by registered post or by messenger and in the latter case, an acknowledgement duly signed by him and dated shall be obtained in a transit book.
(3) Every requisition or invitation under section 6 shall be signed and dated by the auditor and shall specify a reasonable period, not being less than 3 days, within which it shall be complied with.