Everyone operating, managing or keeping a hotel as above defined shall require each guest at the time of his arrival to sign in ink his true name and provide his true address on a register kept for that purpose and shall keep such register as a permanent record and mark thereon the time and date of said guest’s arrival and departure; provided, that a husband may sign the register for his wife and family. Such record shall be kept available for inspection by any peace officer at any reasonable time, or in a police emergency at any time of day or night. No guest shall write or cause to be written in a hotel register any name other than his true name or the name by which he is generally known. (1961 code § 5.46.020.)