Any 3 of the 5 grantees first named in the charter of a corporation (unless otherwise provided therein), or any 3 of the first 5 signers of the articles of agreement by which a corporation is formed, may call the first meeting of the members or stockholders by giving to each in hand, or leaving at the abode of each, or by sending through the mails, postpaid, to the post office address of each, a notice of the time and place of the meeting, 7 days at least before the day of meeting. Such meeting may be held without previous notice if all the members or stockholders voluntarily assemble together for the purpose, or it may be so held at a time and place to which they have all agreed in writing.
RSA 295:4
PS 148:4. PL 226 :4. RL 275:4.