Re: Power of Attorney
Is your mother compos mentis?
If yes, it may that your sister has Power of Attorney over her affairs which she is exercising and which does not need to be registered anywhere.
If your mother is non compos mentis, then your sister can only act on foot of an Enduring Power of Attorney. If an EPA was created then members of the family must have been notified and the EPA must be registered before it can be acted upon.
If you have concerns about your sisters actions, you can take further advices from a solicitor.
Are you concerned about your mother's welfare or just annoyed that you're not being told anything? Very often these situations are more about who is doing the most and who is doing the most asking .
mf