; (2) guarantee timely payment of principal or interest on any mortgage-related security; (3) adopt access rules or fees for the Platform the effect of which is to discriminate against loan originators, aggregators, or issuers based on size, composition, business line, or loan volume; or (4) perform any service or engage in any activity other than those authorized under this subtitle, unless such activity has been determined by the Director to be incidental to an authorized activity. 313. Mission and structure of Common Securitization Solutions (a) Mission Prior to the Transfer Date, the mission of Common Securitization Solutions shall be to accomplish the following goals: (1) Developing a Common Securitization Platform— (A) that is based upon interoperable technology and standards that can accommodate all platform users