1120.0.2. A trust is deemed to be a mutual fund trust throughout a calendar year where(a) at any time in the year, the trust would, but for this section, have ceased to be a mutual fund trusti. because the condition described in paragraph a of section 649 ceased to be satisfied,
ii. because of the application of paragraph c of section 1120, or
iii. because the trust ceased to exist;
(b) the trust was a mutual fund trust at the beginning of the year; and
(c) the trust would, throughout the portion of the year throughout which it was in existence, have been a mutual fund trust ifi. in the case where the condition described in paragraph a of section 649 was satisfied at any time in the year, that condition was satisfied throughout the year,
ii. section 1120 were read without reference to paragraph c thereof, and
iii. this Book were read without reference to this section.