I think one of the safeguards has to be that you have to make sure that the person is aware of his or her diagnosis. This is why, for example, in Quebec, when this was discussed, it's always been said that it should be done after the person has been diagnosed with a major neurocognitive disorder. I today couldn't do an advance request for medical assistance in dying because I don't have any diagnosis for a neurocognitive disorder—so the person has to be aware.
The other safeguard would be that it would have to be reassessed. It would have to be reiterated several times in the process, so you can't just do it once and then it's applied or implemented five or seven years later. It would have to be reassessed and repeated several times to make sure that the person still wants the same thing.