This is contained in rule interpretations of the Final Rules, not in the statutes themselves.

If I look at what I would consider applicable NC statutes, I expect that filing eviction (defined as summary ejectment by statute) would result in your case being dismissed.

From 1996 when the statute was tweaked to sometime in the last couple of years the mantra was "one year and one day". 

What's the statute of limitations on a burnt car seat?

under this statute (see section H - withholding of property). 

Contracts protect everybody; check with a lawyer to make sure you are in accord with local statutes.

Any intermediary with a national footprint and demonstrated experience can take care of you as 1031 is a federal statute that most states follow for the most part.In most cases sales and purchases are in different areas anyway so good QIs know how to cross geographical areas.

It seems almost everybody likes to approximate the timeframe for redemption on tax sales as being one year; that is not how the PA statute reads.

An enterprising and very patient squatter could possibly acquire some of this land via the statute of frauds. 

Once everyone leaves, then you can process the security deposit claim per your States statutes