Purpose. To obtain an individual's authorization to release medical information to: the Texas Health and Human Services Commission (HHSC). Form 6700, Use and Release of Health Information Authorization.Instructions for Opening a Form. This form should be used when authorizing Blue Cross and Blue Shield of Texas to disclose an individual's Protected Health. Fill out the online form and submit it. Our teams of experienced healthcare professionals and caregivers are ready to work with cities, counties, fire departments and government agencies.