Final answer:
Yes, the FCI requires official markings for some breeds of dogs based on the FCI breed standards.
Step-by-step explanation:
Yes, the FCI (Fédération Cynologique Internationale) does require official markings for some breeds of dogs. Official markings refer to specific physical features, color patterns, or coat markings that are recognized and specified by the FCI breed standards.
For example, for the Dalmatian breed, the FCI requires a specific coat color pattern of white with spots. This is one of the official markings for Dalmatians based on the FCI breed standard.
It's important to consult the FCI breed standard of a particular dog breed to understand if there are any required official markings for that breed.