Date-of-Birth Verification All Children's Ski and Snowboard School participants must provide date-of-birth verification prior to their lesson. We appreciate your cooperation! Child's First Name* Child's Last Name* Child's Birthdate* Lesson Type Group Lesson | 3 Years Old Group Lesson | 4-6 Years Old Group Lesson | 7-9 Years Old Group Lesson | 10-12 Years Old Lesson Start Date MM slash DD slash YYYY Date-of-Birth Document*Max. file size: 50 MB. Δ