No sheriff or deputy sheriff, police officer, constable or city marshal shall appear in any court or before a justice as attorney for any party in a civil proceeding or for a respondent in any criminal proceeding.
RSA 104:25
RS 178:27. CS 189:27. GS 196:21. 1875, 30:1. GL 216:21. PS 212:20. PL 324 :23. RL 380:23. RSA 104:25. 1957, 166:1, eff. Aug. 5, 1957.