RSA 677:15 Court Review.

I. Any persons aggrieved by any decision of the planning board concerning a plat or subdivision may present to the superior court a petition, duly verified, setting forth that such decision is illegal or unreasonable in whole or in part and specifying the grounds upon which the same is claimed to be illegal or unreasonable. Such petition shall be presented to the court within 30 days after the date upon which the board voted to approve or disapprove the application; provided however, that if the petitioner shows that the minutes of the meeting at which such vote was taken, including the written decision, were not filed within 5 business days after the vote pursuant to RSA 676:3, II, the petitioner shall have the right to amend the petition within 30 days after the date on which the