HCFA published a Notice of Proposed Rulemaking on March 28, 1997 (62 Fed.
( HCFA ( ( ( published ( ( a Notice ) ( of ( Proposed Rulemaking ) ) ) ) ( on ( ( ( March 28 ) , ) ( ( 1997 -LRB- ) ( 62 Fed ) ) ) ) ) . ) )
(ROOT (S (NP (NNP HCFA)) (VP (VBD published) (NP (NP (DT a) (NN Notice)) (PP (IN of) (NP (NNP Proposed) (NNP Rulemaking)))) (PP (IN on) (NP (NP (NNP March) (CD 28)) (, ,) (NP (NP (CD 1997)) (-LRB- -LRB-) (NP (NP (CD 62)) (NP (NNP Fed))))))) (. .)))
HCFA decided to keep it a secret when they proposed rules.
( HCFA ( ( decided ( to ( keep ( it ( ( a secret ) ( when ( they ( proposed rules ) ) ) ) ) ) ) ) . ) )
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