Sentence:  The Secretary of the Interior shall submit a report of his findings , together with recommendations for an effective safety program for metal and nonmetallic mines ( excluding coal and lignite mines ) based upon such findings , to the Congress not more than two years after the date of enactment of this <WSD>Act</WSD> . 
Meaning of the word marked with <WSD> tags:  a legal document codifying the result of deliberations of a committee or society or legislative body