Does my dog have to wear a collar? By admin Posted March 27, 2013 In 0 0 Yes. This is essential at all times. It is a legal requirement and enables your dog to wear a Holidays4Dogs I.D tag for the duration of it’s stay. admin Recent PostsBritain’s Best Dog Friendly Walks.Breaking Up A Dog Fight Safely.Biting and Nipping In Puppies.Why Does My Dog Smell So Bad?