This excerpt taken from the XIDE 8-K filed Aug 31, 2007.
(Not to Be Used for Rights Certificate Signature Guarantee)
The undersigned, a member firm of a registered national securities exchange or of the National Association of Securities Dealers, Inc., or a commercial bank or trust company having an office or correspondent in the United States, or a bank, stockbroker, savings and loan association or credit union with membership in an approved signature guarantee medallion program, pursuant to Rule 17Ad-15 of the Securities Exchange Act of 1934, as amended, guarantees that the undersigned will deliver to the Subscription Agent the certificates representing the Rights being exercised hereby, with any required signature guarantee and any other required documents, all within three (3) business days after the date hereof.
The institution that completes this form must communicate the guarantee to the Subscription Agent and must deliver the Rights Certificate(s) to the Subscription Agent within the time period shown in this prospectus. Failure to do so could result in a financial loss to such institution.