Who needs to sign the WAITRO membership application form? By |2021-04-14T10:26:16+00:0015 January 2021|Categories: 2. Membership Application| For your application to be valid, the application form needs to be filled out by a senior official or manager, with the authority to sign legally binding agreements with third parties on behalf of your organization. Share this on Social Media! FacebookXLinkedInWhatsAppEmail About the Author: