documentation for inherited tenant

[Jill Herges]

I am closing on a property next week with a current tenant we plan to keep.  I am just wondering what sort of documentation I should get from the sellers regarding the tenant.  We will be getting the security deposit transferred to us at closing, but do I need any documentation that the seller and tenant are parting ways with nothing owed to either party, ect.?  She is on a month to month lease currently and I plan on having her sign our lease immediately after closing.  I have already met and screened her.   Thank you!