No Federal savings and loan association or Federal credit union which may have been designated for employment mentioned in this part shall perform, or make any effort to perform any of the acts included in such employment, or advertise in any manner that it is authorized to perform such acts until it has qualified by the execution of, delivery to, and approval of a bond of indemnity in favor of the United States with satisfactory surety, or with the pledge of collateral security as provided in part 225 of this chapter, conditioned upon the faithful performance of the obligor's duties as fiscal agent of the United States in the principal amount of $1,000 and until the Federal Home Loan Bank Board or the Bureau of Federal Credit Unions, Department of Health, Education, and Welfare, respectively, shall have certified to the Secretary of the Treasury that such association or credit union is in good standing and is eligible, under the terms and conditions prescribed by the Secretary, to qualify for the performance of the designated acts. The Federal Home Loan Bank Board and the Bureau of Credit Unions, respectively, shall keep the Secretary of the Treasury currently advised of the changes in the lists of associations and credit unions which are eligible, under the aforesaid terms and conditions, to qualify for the performance of the designated acts.