Purpose: This Stormwater Improvements Performance Guarantee Agreement. The SSA is made a part of this Agreement as if fully set forth herein.The Town shall pay Consultant for the performance of. It also sets out what support or assistance will be provided to help the employee achieve their goals. Contractual written notice requirements, substantial performance, and practical advice in the wake of a recent Texas Supreme Court decision. Our legal obligations as a processor and service provider are set out in our Customer contracts and policies.