56.—The company may by regulations made by it under this section—

(a) require the operators of aircraft to keep records of the movements of the aircraft in such form and containing such particulars as may be specified in the regulations,

(b) provide for the production to and the inspection by authorised officers of the company of records kept pursuant to the regulations,

(c) provide that records of the movements of aircraft kept by such persons as may be designated in the regulations shall, until the contrary is proved, be evidence in proceedings in relation to an offence under the Acts, of the matters entered, pursuant to the regulations, in the records, and that documents purporting to be records of the movements of aircraft and to be kept by persons designated for the purpose in the regulations shall, until the contrary is proved, be deemed to be such records and to be so kept.