Real Estate - office lease issue (leases, month to, law)

[stephends2000]

I have a friend who's office lease went term and was month to month. The business has closed and she is trying to close out on the office. One of the reasons she wants out of the office is that the facility was leasesd with amenities that were critical to her business.One was a full time receptionist in day hours that screened (announced) anyone who entered. This was not spelled out in the lease, but implied. At the showing ans signing of the actual lease there was a list of amenities and "General Information" that listed this and other security features. She signed it as well as the lease. The new management company and the owner only have the lease document and no copy of the signed "General
Information" listing the important amenities.

The owner arbitarily decided about one year ago to take out the front desk receptionist which allows anyone to walk through the building in the business dy hours. No notice was given and no concession was offered. We are trying to close out the lease with final payments which they are trying to attach late fees to since we could not get a timely answer from them on the balance due. In the last year they have lost two checks sent to them for lease payment which stop payment and associated fees were required.

Added kicker they have locked her out of her space and not allowing her to retrieve items she has leased (office equipment etc.). They do not wish to allow her in until she pays all of the balance with the fees. She said she will not pay until she can retrieve rented/leased equipment from the space to return it (it is not hers or theirs).There are also sensative files in the office that she needs to protect or destroy by law (Security and Exchange Commission).

What rights does she have to recourse? Does she have the right to press them or sue them?

Frustrated.