The Secretary may, by legislative instrument, formulate principles ( decision - making principles ) to be complied with by him or her in making decisions under:
(a) paragraph 1099DB(1)(a); or
(b) paragraph 1099DB(1)(b); or
(ba) paragraph 1099DB(1)(c); or
(c) paragraph 1099DC(1)(a); or
(d) paragraph 1099DC(1)(b); or
(e) subsection 1099DCA(1).