SSA will consider the comments received by April 14, 1997, and will issue revised regulations if necessary.
( SSA ( ( ( ( will ( consider ( ( the comments ) ( received ( by ( ( ( ( April 14 ) , ) 1997 ) , ) ) ) ) ) ) and ) ( will ( issue ( ( revised regulations ) ( if necessary ) ) ) ) ) . ) )
(ROOT (S (NP (NNP SSA)) (VP (VP (MD will) (VP (VB consider) (NP (NP (DT the) (NNS comments)) (VP (VBN received) (PP (IN by) (NP (NNP April) (CD 14) (, ,) (CD 1997) (, ,))))))) (CC and) (VP (MD will) (VP (VB issue) (NP (NP (VBN revised) (NNS regulations)) (ADJP (IN if) (JJ necessary)))))) (. .)))
Regulations are not to be revised under any circumstances.
( Regulations ( ( are ( not ( to ( be ( revised ( under ( any circumstances ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNPS Regulations)) (VP (VBP are) (VP (RB not) (S (VP (TO to) (VP (VB be) (VP (VBN revised) (PP (IN under) (NP (DT any) (NNS circumstances))))))))) (. .)))