Legislation can be plural as-is. "Are" seems wrong and should be "is", right? If it said "the pieces of legislation passed are taking steps..." that would be correct, but the plural of legislation without the modifier of "pieces of" should be followed with is.
Can legislations be plural?
The noun legislation can be countable or uncountable. In more general, commonly used, contexts, the plural form will also be legislation. However, in more specific contexts, the plural form can also be legislations e.g. in reference to various types of legislations or a collection of legislations.
Is legislation a countable noun?
From Longman Dictionary of Contemporary Englishle‧gis‧la‧tion /ˌledʒəˈsleɪʃən/ ●●○ W3 noun [uncountable] a law or set of laws It is a very important piece of legislation. under new/existing/current etc legislation The company can be prosecuted under the new legislation. ...