In all cases in which notice is required a citation shall be issued, or an order of notice made to the parties interested, to appear at the court at a day and place therein appointed, that they may be heard if they see cause.
RSA 550:5
RS 155:2. CS 164:2. GS 173:3. GL 192:3. PS 185:3. PL 296 :3. RL 349:3.