This excerpt taken from the MRO 10-K filed Feb 29, 2008.
TERM AND AMENDMENT
Section 4.1 Term. The term of this Agreement shall commence on the date set forth above and shall terminate upon the mutual agreement of the parties hereto.
Section 4.2 Amendment. This Agreement may be amended, modified or supplemented at any time and shall be evidenced by a written agreement signed by all of the parties hereto.