after a power of attorney is signed how long before it is void
Forever
Long enough to power electricity
My licence expired after 4 years (UK).
About 100 years.
Until deposed, or death.
A minnimum of 20 years! :P
Generally baking powder will last for six months to one year.
They last until they run out of power. Then you have to recharge them!
GE is known for its reliable and long lasting power supplies.
1 week. with the power of technology, radiation.
ten undecillion years. or 10 to the power of 36 years.