Me. Rev. Stat. tit. 14, § 8908

A person that files a motion under section 8907 to vacate registration of a Canadian judgment may request the court to stay enforcement of the judgment pending determination of the motion. The court shall grant the stay if the person establishes a likelihood of success on the merits with regard to a ground listed in section 8907, subsection 2 for vacating a registration. The court may require the person to provide security in an amount determined by the court as a condition of granting the stay.