Alaska Stat. § 34.25.010
A defective and informal acknowledgment of a deed, contract, lease, power of attorney, mortgage, or other instrument for the conveyance of real property, or an interest in real property, or pertaining to a right, title, or interest in real property, made in good faith, whether the acknowledgment is taken by or before a clerk, deputy clerk, or judge of a federal, state, or territorial court of record, or a commissioner, notary public, or other person authorized to administer oaths, is validated and declared sufficient in law as to acknowledgment, if no suit is filed in a court of record in the judicial district in which the real property affected by the instrument is located within 10 years from the date of the instrument, or the acknowledgment, to have the instrument set aside, altered, changed, or reformed.
AS 34.25.010