Within 45 days of the date on which the insurance carrier receives the Branch's decision (or, if the carrier requests a hearing, a period set by the Longshore Director or the Longshore Director's representative) determining the extent of its unsecured LHWCA obligations and fixing the required security deposit amount (see § 703.204), the carrier must:

(a) Execute and file with the Branch an Agreement and Undertaking, in a form prescribed and provided by OWCP, in which the carrier shall agree to—

(1) Deposit with the Branch indemnity bonds or letters of credit in the amount fixed by the Office, or deposit negotiable securities under §§ 703.207 and 703.208 in that amount;

(2) Authorize the Branch, at its discretion, to bring suit under any deposited indemnity bond or to draw upon any deposited letters of credit, as appropriate under the terms of the security instrument, or to collect the interest and principal as they become due on any deposited negotiable securities and to sell or otherwise liquidate such negotiable securities or any part thereof when—

(i) The carrier defaults on any of its LHWCA obligations;

(ii) The carrier fails to renew any deposited letter of credit or substitute a new letter of credit, indemnity bond or acceptable negotiable securities in its place;

(iii) The carrier fails to renew any deposited negotiable securities at maturity or substitute a letter of credit, indemnity bond or acceptable negotiable securities in their place;

(iv) State insolvency proceedings are initiated against the carrier; or

(v) The carrier fails to comply with any of the terms of the Agreement and Undertaking; and

(3) Authorize the Branch, at its discretion, to pay such ongoing claims of the carrier as it may find to be due and payable from the proceeds of the deposited security;

(b) Give security in the amount fixed in the Office's decision:

(1) In the form of an indemnity bond with sureties satisfactory to the Branch and in such form, and containing such provisions, as the Branch may prescribe: Provided, That only surety companies approved by the United States Treasury Department under the laws of the United States and the rules and regulations governing bonding companies may act as sureties on such indemnity bonds (see Department of Treasury's Circular-570), and that a surety company that is a corporate subsidiary of an insurance carrier may not act as surety on such carrier's indemnity bond;

(2) In the form of letters of credit issued by a financial institution satisfactory to the Branch and upon which the Branch may draw; or

(3) By a deposit of negotiable securities with a Federal Reserve Bank or the Treasurer of the United States in compliance with §§ 703.207 and 703.208.