metropolitan area of the District of Columbia, and in the field service of the executive departments, independent establishments, and other agencies of the Government, except those who may for special public reasons be excluded from the provisions of this order by the heads of their respective departments, establishments, or agencies, or those whose absence from duty would be inconsistent with the provisions of existing law, shall be excused from duty on such day and such one-half day; and such day and one-half day shall each be considered a holiday within the meaning of Executive Order No. 10358 of June 9, 1952, and of all statutes so far as they relate to the compensation and leave of employees of the United States.
The White House,
December 4, 1954.
EXECUTIVE ORDER 10581
WHEREAS the Saint Lawrence Seaway Development Corporation, created by the act of May 13, 1954, 68 Stat. 92, under authority of the said act, caused to be made and has adopted a corporate seal; and
WHEREAS the Administrator of the Saint Lawrence Seaway Development Corporation has recommended that I approve such seal, the design of which accompanies and is hereby made a part of this order, and which is described in heraldic terms as follows:
On a sea green disk, Neptune's spear pale-wise in white, between an American bald eagle displayed and a Canadian maple leaf all gold, partially encircled by the inscription "SAINT LAWRENCE SEAWAY DEVELOPMENT CORPORATION" and in an inner arc the words "UNITED STATES OF AMERICA" in white letters.
AND WHEREAS it appears that such seal is of suitable design and appropriate for use as the corporate seal of the Saint Lawrence Seaway Development Corporation, an agency of the United States of America:
NOW, THEREFORE, by virtue of the authority vested in me as President of the United States, I hereby approve such seal as the corporate seal of the Saint Lawrence Seaway Development Corporation.
The White House,
December 10, 1954.
EXECUTIVE ORDER 10582
WHEREAS in the administration of the act of March 3, 1933, 47 Stat. 1520, 41 U.S.C. 10a-10c; 41 U.S.C. 10d, commonly known as the Buy American Act, and other laws requiring the application of the Buy American Act, the heads of executive agencies are required to determine, as a condition precedent to the purchase by their agencies of materials of foreign origin for public use within the United States, (a) that the price of like materials of domestic origin is unreason able, or (b) that the purchase of like materials of domestic origin is inconsistent with the public interest; and
WHEREAS it is desirable and in the public interest that such determinations be made on as uniform a basis as possible:
NOW, THEREFORE, by virtue of the authority vested in me as President of the United States, it is hereby ordered as follows:
Section 1. As used in this order, (a) the term "materials" includes articles and supplies, (b) the term "executive agency" includes executive department,Page 230
