N.H. Rev. Stat. § 98-A:2
All appointments to temporary positions in state service shall be filled in the first instance from appropriate state layoff lists. If applicants from such lists are not available any individual meeting the minimum qualifications of the position may be certified by the director of personnel. Appointments to seasonal positions shall be filled from the appropriate state layoff lists. If after the director of personnel has made a reasonable effort to certify eligible individuals for seasonal positions from an existing eligible layoff list, and they find it impracticable to make a certification, they may authorize the seasonal position to be filled by an individual designated by the appointing authority.
RSA 98-A:2
1963, 309:1, eff. July 1, 1963.