All attorneys shall, upon being retained by a client in a matter pending before the department or the compensation appeals board, file with the department or the compensation appeals board, as the case may be, a letter of appearance, copies of which shall be provided to all parties of record.
N.H. Admin. Code § Lab 203.03
(See Revision Note at part heading for Lab 203) #5041, eff 1-9-91; ss by #5235, eff 9-27-91, EXPIRED: 9-27-97
New. #6631, INTERIM, eff 11-16-97, EXPIRED: 3-16-98
New. #6806, eff 7-18-98; ss by #8682, INTERIM, eff 7-15-06, EXPIRED: 1-11-07
New. #8922-A, eff 7-1-07