Revised “Rabies Regulations” (Cap. 421A)

Revised “Rabies Regulations” (Cap. 421A)

The revised “Rabies Regulations” (Cap. 421A) will come into effect on 1 August 2025

Under the revised “Rabies Regulations” (Cap. 421A), apart from AVID microchip, an ISO microchip with the specific format (ISO: 344 XXX XXX XXX XXX, where each X is an individual numeric symbol) can be accepted as a mean of identification and as an evidence for rabies vaccination and licensing purpose for dogs.
 
Under the revised legislations, all dogs that are already implanted with a 15-digit ISO microchip prior to their import and are legally imported into Hong Kong on or after 1st August 2025 are exempted from being re-implanted with an additional AVID or ISO microchip containing the designated code.