Some of the states' proposed disclosure requirements were justified, he said.
California is considering disclosure legislation, and the U.S. Interior Department, a repository of public lands, has also proposed disclosure rules.
NASD stopped short of proposing disclosure of valuation information, but it asked for comment on three possible changes.
S&N said the proposed disclosure was too limited and could not be produced in time to meet the takeover panel deadline.
Though there were compelling reasons for confidentiality in the investigations, prosecutors said, "the government believes that under the circumstances presented here those interests should yield to the public's interest in the proposed disclosure".
Senator Charles E. Grassley, Republican of Iowa, who wrote the proposed disclosure requirement, denounced "the chutzpah" of House Republican leaders, who he said had "wiped out any chance of meaningful transparency for the political intelligence industry".
In its penalty section, the proposed disclosure law says that a seller who fails to perform the duties prescribed by the law can be held liable for the damages suffered by a buyer because of a condition that was willfully misreported on the questionnaire.
Representative Scott Garrett, a New Jersey Republican who is chairman of the House subcommittee that oversees the S.E.C., said he had moved to co-sponsor the new legislation after hearing complaints about the proposed disclosure rule from trade groups and businesses in his district.
The interviews were based on two scenarios: disclosure of breast cancer for which adjuvant chemotherapy and radiotherapy with curative intent are proposed or disclosure of stomach cancer for which chemotherapy with palliative intent is proposed.
The International Committee of Medical Journal Editors, responding to criticism, has proposed better disclosure policies in the last two years.
