Rule 423

Date of Prospectuses

Except for a form of prospectus used after the effective date of the registration statement and before the determination of the offering price as permitted by Rule 430A(c) under the Securities Act or before the opening of bids as permitted by Rule 445(c) under the Securities Act [Note: Rule 445 under the Securities Act is reserved], each prospectus used after the effective date of the registration statement shall be dated approximately as of such effective date; provided, however, that a revised or amended prospectus used thereafter need only bear the approximate date of its issuance. Each supplement to a prospectus shall be dated separately the approximate date of its issuance.