Please fill out our New Patient Form using one of the options below if your pet is a new patient at Harris Parkway Animal Hospital. This authorization expires 30 days from the date of signature.Arrive approximately 10 minutes early to fill out our New Patient Form. To save a bit of time, you can complete the New Patient Form online in advance. For your pet's health and others in our care, we require vaccines and deworming to be current. Please provide appropriate records if given elsewhere. All dogs and cats must be kept under restraint while in the unincorporated areas of Harris County, Texas. I confirm that my pet (referred to above) is current on the required vaccinations and has had a negative stool sample within the last year. How to fill out the Pet Care Emergency Authorization Form - Quick Guide?