Rejuvenate with Spa Treatments and Massage Montgomery Al. On-Site Outlets. (Check one). □YES.An application will not be accepted for review unless all required information below and appropriate fees are provided. Letter of Authorization. I certify that I have legal authority to consent to medical treatment for the child named above, including the administration of medication at the facility. I. Legal Basis: Certification authority is under State Government Article, §7-106. Me and my brother need some advice on getting a notarized Letter of Authorization or it could be a SPA. And complete MCPS Form 525-12, Authorization to Provide. Medically Prescribed Treatment. Please use Google Chrome to download forms.