In excavation tax appeals, the taxpayer shall have the burden of proving the volume of earth upon which the assessment was made was not properly determined in accordance with RSA 72-B:1.
N.H. Admin. Code § Tax 214.06
#7874-B, eff 4-18-03; ss by #8987-A, eff 9-24-07 (from Tax 214.07); ss by #9538, eff 9-8-09