The FSA is also considering action in other facets of disclosure including a restriction of lending of
stock securities in rights issues.
These identifiers are mostly important for bonds and other
non-common stock securities (like the preferred shares above), because there is typically a lot more different issues.
Fixed income securities or bonds have different valuation characteristics than do
common stock securities, and bonds require different valuation methods.
Your church, your charity, will probably take your stock account,
Your stock securities.