Is the original POA still valid?

It is certainly possible to revoke a POA, but it would be safer to have your mother sign a new one, to make it totally clear what her intentions and desires are. If she is not competent to sign a new POA, you would be forced to go to court to seek getting yourself appointed as her conservator/guardian if you wanted the powers normally given to you as the agent under a POA.

If it was done correctly it would be a legal document... So yes you need to make a new one..

Also I agree with NancyH MAKE absolute sure that your wife is willing to take on your Mother's care again!!

If your sister can't do it, what makes her think your wife should!! I'm sorry if I sound mean about it, but that's what happens when you've had your Mom with you for 12 yrs..

Jeesh, your sister sounds like a real prize.

Is your wife going to be her caregiver or do you plan to put her in AL? I've taken care of my Mom for 2 years, and if she weren't my Mom, there is no way in hell I would would do this (or ask someone I love to take that on), especially if we didn't have caregivers. I have a brother who does NOTHING, and I'm exhausted. I think your wife, if willing to do this, needs respite care at the very least. Please consider having her placed at a care facility near you. Taking care of a parent can rob you of your own life & happiness. I am saying this only from my experience. It is not meant to be unkind in any way.

First of all, did you AND your sister BOTH decide that your sister was going to be the caregiver for your mom? POA is just for the financial end of things, so maybe your sister wasn't thinking that she'd be the one giving her mother a bath. If your sister never did want to do the hands on caregiving, then it's no wonder she's fighting it now. And what about your wife? Are you asking her if SHE wants to do this, or are you just assuming that she 's home so she may as well? What I'm getting at is, it's time to open a dialog between your sister, wife and yourself about your moms future. If you can trust your sister with your moms monies still, and know if you tell her she needs to cut you a check for this or that for your moms care, then it's probably ok still. Also, make sure you and/or your sister are on your moms bank account with her. Because once mom dies, then the POA's job is done. And who has durable power of attorney? Whoever is the hands on person should have that. Good luck.

Get mom to assisted living and save your marriage.

NancyH: I have 2 Powers of Attorney for my Mom. One is re financial matters; the other is for Healthcare Decisions.

I have two Powers of Attorney, one covers Healthcare and the other Financial matters.

I think what everyone has said is true and something you really need to think about and have a real heart to heart conversation with your wife over. What you are asking your wife to do for YOUR mother, is the most difficult thing I personally have EVER had to do and would NEVER do it again for any amount of money. I use to wonder how in the world these healthcare aides made $25 an hour....I now know and I wouldn't do it for $25 if it weren't MY MOTHER! I agree with everyone else that you need to put your Mom into assisted living and live YOUR LIFE AND LOVE YOUR WIFE. Doing this will drive a very big wedge between you!!! You have already done this once and gave it up, you know what we are talking about!!

If the addendum you signed was not recorded anywhere and nothing was changed at any of the banks or anywhere else, I honestly can't see why you cannot tear up the addendum as though it never existed. But that is just what I would do and probably not considered "legal."

Don't put yourself and your wife through the wringer again. You may love your mother dearly but if she can live in assisted living, it will be better for you all.