1056.4.1. For the purposes of section 1056.4, the following rules apply:(a) a designation made in the prescribed form and provided for in section 274 or 274.0.1, subparagraph j of the first paragraph of section 485.3 or any of sections 485.6 to 485.11 and 485.40 is deemed to be a prescribed election;
(a.1) a specification made under any of sections 279, 280.3 and 1054 in a fiscal return or other document is deemed to be a prescribed election; and
(b) an allocation under section 1121.12 is deemed to be a prescribed election.