To obtain the Written Statement you will need the Request for Written Statement filled out and notarized. Start with 1,435 good companies.Examine their performance over 40 years. Do I need to appear in person? Please contact our IT Service Desk (ITSD) at 888-721-3094 (toll-free in the US and Canada). For additional support, read our Frequently Asked Questions. Students who have not lived in Texas for the 12 months preceding registration, but who own property in Collin County, may be eligible for an ad valorem waiver. Bills are due quarterly on the first business day of August, November, February and May. Steps for filling out the Property Owner Information Form. Step 1: Let us know how to handle utility services at your properties during tenant vacancies.