VENDOR PAYMENT INFORMATION (Check all methods accepted):. (Preferred) ACH: Complete the attached ACH authorization form and return it with a voided check.Important note about eligibility: You must be an approved vendor if you sell, lease, or offer to sell or lease goods or services in Hermann Park. How to fill out the Vendor Agreement for Services and Compliance? Download the document to your computer, fill in the requested company information, print the file, SIGN the form, SCAN the completed and signed. A service provider agreement form must be completed for each service provider paid through the FMSA for one or more individuals participating in the CDS option. To put in a Maintenance Request - visit your online portal. Complete Eviction and Possession Services. The City of Houston Strategic Procurement Division is the central procurement office for the City of Houston.