N.H. Code Admin. R. Tra 903.02
(a) Pursuant to RSA 422:21, effective dates for state aircraft registration certificates shall be based upon the first numeral of the N-number, as follows:
Table 903-1 Aircraft Registration Effective Dates
“N” Number
Registration Effective Dates
1
January 1 to December 31
2
February 1 to January 31
3
March 1 to February 28
4
April 1 to March 31
5
May 1 to April 30
6
June 1 to May 31
7
July 1 to June 30
8
August 1 to July 31
9
September 1 to August 31
Source. #7997, eff 12-1-03; ss by #10034, eff 11-23-11 (from Tra 902.02) New. #13480, eff 11-3-22