If they ban a dog breed or dogs over a certain weight, or whatever, I would hope that they would grandfather in existing dogs, given they are altered or become altered within so many days, and they are properly registered and licensed.
It doesn't happen this way... I watched the attached video once and that enough for me
Misty- Samoyed Mix, Tannor- Golden Retriever CGC
Robyn- GSD CGC, TC, Midnite-GSD CGC,TC, Brennan-Golden Retriever CGC, Batman-Husky/Greyhound , Apollo-GSD