(a) An extension of restrictions under this chapter takes effect on the date the petitions, written ballots, or both, as applicable, sufficient to reflect the consent required by § 212.003 are filed and recorded in the real property records of the county in which the subdivision is located.
(b) Subject to § 212.007, an extension of restrictions under this chapter is for a period equal to the original term of the restrictions or a shorter period agreed to by the owners of a majority of the lots in the subdivision in the petitions, written ballots, or both, as applicable, signed under § 212.003.