; and (II) to complete the entire project for which the certificate was issued. (B) Construction (i) In general Except as provided in clause (ii), the holder of a certificate of public convenience and necessity may not begin construction, preconstruction, or land-disturbing activities under that certificate until the later of— (I) the earliest date on which the holder has received all required certifications, authorizations, approvals, permits, or other permissions described in subparagraph (A)(ii); and (II) the earliest date on which all timely applications for rehearing under section 19(a) have either— (aa) received a ruling on the merits by the Commission under that section; or (bb) been deemed denied under paragraph (3)(B)(i) of that section. (ii) Exception Clause (i) shall not apply to activities described in that clause that are carried out— (I) on land that is owned by the holder of the certificate of public convenience and necessity; or (II) in an existing utility right-of-way. . 4. Eminent domain (a) Statement of policy With respect to the construction and operation of natural gas pipelines, it is the policy of the United States to protect the rights of citizens of the United States to their private property, including by limiting the taking of private property by the Federal Government and the use of eminent domain authority granted under any Federal statute to situations in which the taking is for public use, with just compensation, and required by the public convenience and necessity, and not merely to advance the economic interests of private parties that would be given ownership or use of the property taken. (b) Just compensation Section 7(h) of the Natural Gas Act ( 15 U.S.C. 717f(h) ) is amended— (1) by striking the subsection designation and all that follows through When any holder in the first sentence and inserting the following: (h) Eminent domain (1) In general When any holder