The MPSA licensing program has been in existence since 2014. It turns out that it works through the business center for microsoft Products and Services Agreement (MPSA) customers. If, for any reason, any part of this Agreement should be declared invalid or impossible by the parties, that part of the Agreement shall not affect the validity of the remaining provisions which shall remain in full force and effect, as if that Agreement had been performed with the invalid part thereof. 23. The lessor must inform the lessee in writing upon receipt of the notice of the planned conviction, and the lessee has thirty (30) days after receipt of the notice to terminate this rental agreement, provided that the proposed conviction renders the premises unfit for use by the tenant in normal activity or, according to the tenant, harms the tenant`s activity. 17. Utilities.