"Net profit from all business activity" as used in RSA 77-A:1, III(e), and Rev 302.01(c), means the difference between the total income and total deductions on federal Form 1120-S after making the modifications required by Rev 302.01(c) (1) and (2).
N.H. Admin. Code § Rev 301.22
#4192, eff 12-23-86; amd by #4438, eff 6-22-88; ss by #5490, eff 10-19-92; ss by #6853, eff 9-23-98; ss by #8709, eff 8-25-06