15. (1) The Government may, by notification in the official Gazette, make rules for carrying out the purposes of this Ordinance. (2) In particular and without prejudice to the generality of the foregoing power, such rules may provide for- (a) the authority or person for assessment of water rate; ¹[* * *] (c) the manner of publication of notification or public notices issued under this Ordinance; ²[* * *] (e) the form and manner of service of notices; ³[* * *] (g) the persons by whom water rate may be collected and the remuneration, if any, payable to them; (h) the manner of collection of water rate; (i) the amount of rebate to which a person paying water rate in time is entitled and penalty to which he may be liable in case of default; (j) the appellate authorities to whom appeals under sections 8, 9 and 10 shall lie; (k) the fees, if any, payable on petitions of appeal; (l) the procedure to be followed by the appellate authorities.