If he didn't sign it, then he didn't agree to the 90 day clause. If they charged him, then he has the right to use the space for a month - no more, no less. But

If he didn't sign it, then he didn't agree to the 90 day clause. If they charged him, then he has the right to use the space for a month - no more, no less. But, they could lock him out at the end of the month and not auto renew the 30 day lease. Contracts exist to protect both parties. Now, that being said - this would be a small claims issue and it probably isn't worth dealing with for $120.