What switch?:confused: I usually stay logged in all the time, and have an automatic login when I call up the site. I probably won't know until I have to reboot. ;)
This site deals primarily with U.S. law only.
Google "employee rights in the UK" and you'll get lots of hits where you can research and/or ask this question.
What "settlement" did you think it was for? Why did you wait two months to call and ask?
Of course you need to pay it back. In full. You have no legal, moral, or ethical justification to keep money that you did not earn. If the company will accept a repayment plan, fine. If not, and...
Of course you're in trouble. If you're lucky, they will not charge you with fraud. You'll have to pay back the overpayments.
The fact that you came forward voluntarily is to your benefit. The state would have found out about your part-time earnings eventually.
Every state sends a...
Net is irrelevant. You signed an agreement. You're welcome to take it to a local attorney for review, since the devil is in the details of such agreements, but I would not be surprised if this is a valid contractual obligation.
"Coerced to accept a bonus"? Sorry, I'm not able to generate a...
I don't know what you want us to say. You separated from this employer six years ago. It's very unlikely this employer is going out of their way to contact every company in the area to say "don't hire Mary, she's a terrible employee". And, unless you worked at this employer for a VERY short...
I could not find any law in your state requiring the employer to provide such a letter, nor any requirement in the law that you sign it if there is one presented.
Why do you need it? File for unemployment, giving the reason that you were told you were being terminated, and start the ball...