We previously discussed the meaning of "concert of action" in Dow Chemical Co. v. Mahlum and explained that this doctrine requires more than just agreement to act: General Motors v. Jackson, 111 Nev. 1026, 1029, 900 P.2d 345, 348 (1995); Nyberg v. Nev. Indus. Comm'n, 100 Nev. 322, 324, 683 P.2d 3, 4 (1984). 114 Nev. 1468, 1488-89, 970 P.2d 98, 111-12 (1998).
The construction of a statute is a question of law. Nyberg v. Nev. Indus. Comm'n, 100 Nev. 322, 324, 683 P.2d 3, 4 (1984). In Welfare Div. v. Washoe Co. Welfare Dep't, 88 Nev. 635, 503 P.2d 457 (1972), we stated: