Visit the National Verifier to submit an online application or visit to print a mail-in application. Once you have received your ACP approval and (proof) sign up for Sail online or call us at (844) 438-8484 to select a service plan and have the discount applied to your bill. If you schedule your installation online, please remember to call Sail to apply your ACP monthly discount. Please note that it is mandatory to complete all steps to receive the Affordable Connectivity Program discount.