66.This section contains consequential amendments of sections of the 2000 Act relating to this Part of the Measure. Section 30 of the 2000 Act sets out the existing procedures for changing executive arrangements, which are superseded by the provisions in this Part about changing executive arrangements and varying them. The insertion of the new section 33ZA serves to direct readers to the provisions for changing governance arrangements in Wales to this part of the Measure. The amendment to section 45 of the 2000 Act expands the definition of referendum to accommodate the provisions inserted by this Measure.