WASHINGTON -- Issuers and other market participants must-not lower their standards for disclosing information in official statements as a result of the new secondary market disclosure rules, the SEC warned Friday.

"The fact that the [rules] rely on the final official statement to set the standard for ongoing disclosure should not serve as an incentive for issuers to reduce existing disclosure practices in the preparation of the final official statement," the Securities and Exchange Commission said in a release explaining the rules, which it adopted Thursday.

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