Before auction, the liens will have to be satisfied; but keep in mind that sometimes the IRS will release their lien in exchange for partial payment, if it can be shown that the IRS debt exceeds value (think short sale).

By and large, these are the things you hear about because the "satisfied" rarely make it a practice to shout praises.  

You must sell real estate and then subsequently acquire real estate in order to satisfy the like-kind requirement for 1031 Exchange treatment.

That sounds like the perfect outcome for any deal, satisfying the sellers needs as well as your own.

But anyway, the appraisal is needed to satisfy the lender.

This is a major oversimplification, but it's just to satisfy my curiosity.

Your last job does not sound like it was satisfying to you so perhaps you could consider a different kind of job.

AFTER they leave, you are entitled to use the security deposit to satisfy unpaid rents. 

Utility is the capacity of a commodity to satisfy a need or desire.

Sticky, awkward, and no one feels all that satisfied.