It shall be the duty of the City Clerk or designated agent, upon a showing of current rabies immunization and receipt of the registration fee hereinbefore required, to keep a record of the registration of dogs, the time of the registration, the name of the owner or keeper, the number of the registration, and the amount paid therefor, and shall deliver to the owner or keeper of the dog a certificate in writing, stating that the person has registered the dog and the number by which the dog is registered, and shall also deliver to the owner or keeper of the dog a tag with the registration number thereon, which shall be, by the owner or keeper, attached to the collar to be used on the dog so registered. When any tag has become lost during a registration period, the owner of the dog may request a duplicate tag for the remainder of the registration period. When so requested, the City Clerk shall, upon presentation of the registration certificate, issue a duplicate of such tag upon the payment of a fee of $5. It shall be unlawful for any person to take off or remove the city registration tag from any dog belonging to another, or remove the strap or collar on which the same is fastened.