With no explanation, chose the best option from "A", "B", "C" or "D". (stating that the certification and execution requirement contained in the formal application form “is an essential element of the form prescribed by the Secretary and affords evidentiary significance to the statements contained on the application and serves as a release to allow VA to obtain the applicant’s medical records”). To the extent that no formal finding has been made that the Secretary’s interpretation of sections 501(a)(2) and 5101(a), contained in § 3.155(a), as requiring that VA receive a formal application form before benefits may be paid is a valid exercise of the Secretary’s rulemaking authority, we make such a finding today. , See Mayo Foundation for Medical Educ. and Research v. United States, — U.S. -, 131 S.Ct. 704, 711, 178 L.Ed.2d 588 (2011) (Mayo Foundation) (<HOLDING>). 2. Timing and Effect of Return of Formal

A: holding the court will not disturb the decision of the abcmr unless it was arbitrary capricious contrary to law or unsupported by substantial evidence
B: holding that legislative regulations are given controlling weight unless they are arbitrary capricious or manifestly contrary to the statute
C: holding that under chevron step two courts may not disturb an agency rule unless it is arbitrary or capricious in substance or manifestly contrary to the statute internal quotations omitted
D: holding that under chevron usa inc v natural res def council inc 467 us 837 104 sct 2778 81 led2d 694 1984 courts may not disturb an agency rule unless it is arbitrary or capricious in substance or manifestly contrary to the statute
D.