Va. Code Ann. § 64.2-1045
A. A unitrust policy must provide the method for determining the fair market value of an asset for the purpose of determining the unitrust amount, including:
B. Except as otherwise provided in subdivision B 2 of § 64.2-1047, a unitrust policy may provide methods for determining the amount of the net fair market value of the trust to take into account in determining the applicable value, including:
5. Use of:
6. A limit on how much the applicable value of all assets, groups of assets, or individual assets may increase over:
7. A limit on how much the applicable value of all assets, groups of assets, or individual assets may decrease below:
2022, c. 354.