Under the non-delegation doctrine, Congress may delegate legislative power to an executive agency only if it:
-
A
Provides an intelligible principle to guide the agency's exercise of the delegated authority
-
B
Retains a legislative veto over agency rulemaking
-
C
Limits the delegation to a period not exceeding two years
-
D
Grants the agency power only to promulgate interpretive, not substantive, rules