RSA 356-B:17 Allocation of Interests in the Common Areas.

I. The declaration may allocate to each unit depicted on site plans and floor plans that comply with RSA 356-B:20, I and II an undivided interest in the common areas proportionate to either the size or value of each unit.
II. Otherwise, the declaration shall allocate to each such unit an equal undivided interest in the common areas subject to the following exception: each convertible space so depicted shall be allocated an undivided interest in the common areas proportionate to the size of each such space, vis-a-vis the aggregate size of all units so depicted, while the remaining undivided interests in the common areas shall be allocated equally to the other units so depicted.
III. The undivided interests in the common areas allocated in accordance with paragraph I or II