All eligible telecommunications carriers (ETCs) - rural, non-rural, and competitors - are subject to component-specific certification requirements that have a direct impact on those carriers' receipt of High Cost support. To see if USAC has received your October 1 Use Certification (54.314), IAS Certification, ICLS Certification, 54.313 (Form 481), or 54.1009 (Form 690), please query the database below.