Abandoned Property

What happens to unclaimed credits after five years?
When a customer does not take the credit on their account after being notified and five years has elapsed, what should happen to the credit? Is it returned to the state?
How can my mom reclaim land sold to a friend over 25 years ago?
My Mom owned 10 acres of land and sold 5 of those to a friend. Over 25 years have passed and the friend has never been back to the land, never paid the taxes and never contacted my mom. How does my mom get her off of the property that they have been dwelling on for over 25 years? Is there a squatters law?
Can a price tag be considered an advertised price?
A local retailer states that they will match any advertised price. Can it be argued that another local retailer's price tag on an item is an advertised price? I am an attorney doing research on this issue, I would appreciate any help with this. I am trying to argue that a sign displayed on an item meets the word "advertised".
What are the laws for claiming abandoned cars in a library garage?
I am a security officer at a public library. The library runs its own private garage. There are a couple cars that seemed abandoned in the garage. One has no plates or other forms of identification the other has expired plates from Michigan. They both have several layers of dust built on them. What are the laws as far as being able to claim one of these cars (if possible) and how would one go about doing so?
How can I claim abandoned real estate through adverse possession?
How do I claim abandoned real estate?