"... receipt of which is hereby acknowledged ... " is enough. Your cancelled check is enough. A receipt is not necessary.

No..........................................................................................

No, and no.........................................................................

Of course you know the answer: no......................................

The ABC could (not on the facts of a 50 year old) cite the license owner but has zero power to terminate any employee. Probably some nut case, or...

It doesn't matter what it's called in law; it's was a risky behavior if you want to keep your job.

Tell him to sue you. People make stupid threats all the time.

In theory you could sue for your $3,000 but you will find lawsuits more difficult than you imagine, and then, with a judgment, where are you going...

Your remedy is to contact Amazon. Why you never applied for for copyright registration ... a mystery.

Based on your posting, if you co-purchase a residence without using a lawyer disaster will follow. The "this for that" is money for your name on...

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