With the premise 'Upon commencement of commercial operation of each new utility unit under subpart 1 of part B, the unit shall comply with the requirements of subsection (a)(1).', is 'the unit shall comply with the requirements of subsection a1 under certain conditions.' simply an unrelated statement?
Upon commencement of commercial operation of each new utility unit under subpart 1 of part B, the unit shall comply with the requirements of subsection (a)(1).###the unit shall comply with the requirements of subsection a1 under certain conditions.