Amends GS 48-2-607(c) by requiring that an action brought to set aside an adoption by a parent or guardian whose consent or relinquishment was obtained by fraud or duress be brought within one year after the date on which the adoption decree was entered. Amends GS 48-3-608(b) by providing that the replacement assessment that triggers the time limit for revoking consent must have been prepared substantially in conformance with statutory requirements. Amends GS 48-3-303(c)(12) by allowing redaction of income information as well as other specified information from what is provided to a placing parent or guardian. Amends GS 48-2-302(a) by providing that a court may waive as well as extend the 30-day time limit for a petition for adoption. Amends GS 48-2-401(a) by deleting the requirement that notice of filing of an adoption petition be no later than 30 days after the petition is filed. Amends GS 48-3-707(a) by adding a third ground on which a relinquishment will become void if after placement but before entry of the adoption decree the agency, the person relinquishing a minor, and the prospective adoptive parent all agree. Applies to actions filed on or after October 1, 2011.