(b) B isi. if the entity made a designation under section 668 in respect of the individual for the year, and subject to section 251.5.1, twice the amount claimed under section 251.3 by the individual for the year in respect of the entity,
ii. if the entity is a partnership, and subject to section 251.5.1, twice the aggregate of the amounts claimed under sections 251.4 and 251.5 by the individual for the year in respect of the entity, and
iii. in any other case, the amount claimed under section 251.6 by the individual for the year in respect of the entity; and