From: Shaun Shienfield
Sent: December 1, 2006
Subject: File No. 4-500

Dear Mr. Jonathan G. Katz,

Please make this rule effective File No. 4-500. Request for rulemaking regarding member records of "short" positions and reporting and public dissemination of aggregate positions by security for all pink sheet securities as requested by R. Cromwell Coulson Chairman & CEO. I fully back this rule.

Shaun Shienfield