Said application shall be signed by the employer or by a majority of his employees in the department of the business in which the controversy or difference exists, or their duly authorized agent, or by both parties, and shall contain a concise statement of the grievance alleged, and shall be sworn to by at least one of the signers.
RSA 273:16
1911, 198:5. PL 174 :16. RL 210:16.