The taxpayer shall determine whether to use either Form N-12 or N-15 based on where the taxpayer's residence is located.
Whether Form N-12 or N-15 is used, there shall be attached to the return, Copy B of all HW-2 forms received by the taxpayer with respect to tax withheld during the calendar year in which the taxable year of the taxpayer began.
Example 1: K owns eighty percent of the stock of M and N. N owns one hundred percent of the stock of O. As defined in section 1504, IRC, K, M, N, and O are all members of an affiliated group and may file a consolidated return.
Example 2: D owns eighty percent of E. E owns eighty percent of F. E and F each own forty percent of G. D, E, F, and G are all members of an affiliated group and may file a consolidated return.
Haw. Code R. § 18-235-92