(a) The Commissioner may modify or revise a Field of Study Curriculum when a need for such a revision is identified.(b) Any Chief Academic Officer of an institution that offers a corresponding major or track may request a modification or revision to an approved Field of Study Curriculum. The Texas Transfer Advisory Committee shall evaluate institutions' proposed modifications or revisions to Field of Study Curricula and may refer the proposed revisions to Discipline-Specific Subcommittees prior to making a final recommendation to the Commissioner.(c) Institutions may request deletion of directed electives not more than once a year in a manner prescribed by the Board. Each directed elective requested for deletion is subject to a two-year phase out period to be noted on the Coordinating Board and institutional websites.(d) Institutions may add directed electives once every year in a manner and timeline prescribed by the Board. The institution must demonstrate a compelling academic reason for the change in directed electives.