A summons or subpoena not executed under seal shall be as effectual as though sealed. Writs of summons to witnesses shall be substantially in the form following:
THE STATE OF NEW HAMPSHIRE
__________ ss. To __________ :
You are required to appear at __________ , in the county of __________ , on the __________ day of __________ , to testify what you know relating to __________ , then and there to be heard, in which __________ is __________ and __________ is __________ .
Hereof fail not, as you will answer your default under the penalties prescribed by law.
Dated at ___ , the ___ day of ___ , ___ .
(Signed)