SIFMA and International Swaps and Derivatives Association, Inc (ISDA) provide comments to the Securities and Exchange Commission (SEC) on a proposal relating to the reporting and dissemination of security-based swap information, File No. S7-34-10; 75 Fed. Reg. 75208.  The proposal would implement provision of Title VII of the Dodd-Frank Wall Street Reform and Consumer Protection Act (Dodd-Frank Act).  The groups identify issues and present their suggestions for future action relating to block trade exemption rules; and also set out some general considerations that apply to all areas of the proposal.