In the settlement of contracts in interest-paying securities other than for "cash," there shall be added to the dollar price interest at the rate specified in the security, which shall be computed up to but not including the first business day following the date of the transaction.

Failure of the seller to meet the requirements of good delivery relating to bonds and similar evidences of indebtedness, as set forth in paragraphs (a) through (h) of this Rule inclusive, shall make the seller liable for any expense incurred as a result of such failure.

(a) Coupon Bonds

A coupon bond shall have securely attached in the correct place proper coupons, warrants, etc., of the same serial number as the bond.

The forms required by Rule 11580 are published in NASD Notice to Members 96-14 (March 1996), pp. 70–75.

(a) Each member that participates in the transfer of limited partnership securities, as defined in Rule 2310, shall use standard transfer forms in the same form as set forth in Rule 11581.

(a) A certificate shall not be a good delivery with an assignment or power of substitution executed by a: (1) person since deceased; (2) trustee or trustees, except as provided in paragraph (b) of this Rule, or except for trustees acting in the capacity of a board of directors of a corporation or association, in which case Rule 11571(a) shall apply; (3) guardian, except as provided in paragraph (b) of this Rule; (4) infant; (5) executor

A certificate with an assignment or a power of substitution executed in the name of a firm that has since dissolved and is succeeded by a firm or firms having as general partners one or more of the general partners of the dissolved firm shall be a good delivery only if the new firm or one of the new firms shall have signed the statement "Execution Guaranteed" under a date subsequent to the formation of the new firm so signing.

Unless the endorsement specifies otherwise, there shall be a presumption that stock registered in a firm or business name is registered in the name of a partnership and not a corporation.

(a) Transfer Books Open

A certificate in the name of a corporation or an institution, or in a name with official designation shall be a good delivery only if the statement "Proper papers for transfer filed by assignor" is placed on the assignment and signed by the transfer agent.

(b) Transfer Books Closed

Where a certificate, an assignment or a power of attorney is in the name of a corporation and the transfer