any respect and the matter will not be discussed with him in any manner, and that the disqualified former officer cr employee shall not share, directly or indirectly, in any fees or retainers received for services rendered in connection with such proceeding or investigation; (2) the disqualified former officer or employee files an affidavit stating that he will not participate in the matter in any manner, and that he will not discuss it with any person involved in the matter; and (3) upon the basis of such affidavits, the Secretary determines that the appearance or participation by the partner or associate would not involve any actual conflict of interest or impropriety thereof.

§ 1720.425 Standards of practice.

(a) Attorneys shall conform to the standards of professional and ethical conduct required by practitioners in the courts of the United States and by the bars of which the attorneys are members.

(b) The privilege of appearing or practicing may be denied, temporarily or permanently, to any person who is found after notice and opportunity for hearing which at his request or in the discretion of the Secretary may be private, and for presentation of oral argument in the matter (1) not to possess the requisite qualifications to represent others, or (2) to be lacking in character or integrity or (3) to have engaged in unethical or improper professional conduct.

(c) Contemptuous conduct at any hearing shall be grounds for summary exclusion from said hearing for the duration of the hearing.

§ 1720.430 Form and filing requirements.

(a) Filing. Except as otherwise permitted, six copies of all documents shall be filed with the Office of Interstate Land Sales Registration, Department of Housing and Urban Development, Washington, D.C. 20411, on official work days between the hours of 8:45 a.m. and 5:15 p.m.

(b) Title. Documents shall clearly show the file, docket number, and title of the action in connection with which they are filed.

(c) Form. Except as otherwise permitted, all documents shall be printed, typewritten, or otherwise processed in clear legible form and on good unglazed paper.

§ 1720.435 Time computation.

Computation of any period of time prescribed or allowed by the rules and regulations in this part, or by order of the Secretary or his designee or of an administrative law judge, shall begin with the first business day following that on which the act, event, development or default initiating such period of time shall have occurred. When the last day of the period so computed is a Saturday, Sunday, or national holiday, or other day on which the Department of Housing and Urban Development is closed, the period shall run until the end of the next following business day. Except when any prescribed or allowed period of time is 7 days or less, each of the Saturdays, Sundays, and national holidays shall be included in the computation of the prescribed or allowed period.

§ 1720.440 Service.

Service of notices, orders, processes, determinations and other documents required or permitted to be served under these rules may be effected as follows:

(a) Upon the Secretary. By personal delivery at the office, or by registered or certified mail addressed to the office of any of the following officials in the Office of Intrastate Land Sales Registration: Administrator; Deputy Administrator; Assistant Deputy Administrator; Director, Examination Division; or Director, Administrative Proceedings Division.

(b) Upon any other person. By deliv'ery of a copy of the documents to the person to be served wherever he may be found, or by leaving such copy at his office or place of business with a person apparently in charge thereof, or, if there is no one in charge or if the office is closed or if he has no office, by leaving a copy at his residence with some person of suitable age and discretion then residing therein, or by sending a copy by registered or certified mail, return receipt request

ed, addressed to the person at his last known residence, or at his or its last known principal office or place of business. If the address of the residence, principal office, or place of business is unknown and cannot with due diligence be ascertained, service by mail may be made to any office at which the person to be served is known to be employed.

(c) Service on corporations, partnerships, associations, other entities. Service may be made upon any corporation, partnership, business association or other entity by serving any officer, director, partner, trustee, agent for service or managing agent thereof. A managing agent, within the meaning of this subsection, is an agent having the principal managerial responsibility in connection with the regular operation of a distinct office or activity of the enterprise.

(d) Service through attorney. When a person other than the Secretary and his staff shall have appeared of record in a proceeding, generally or specially, by attorney, all subsequent services of notices, orders, processes, and other documents in connection with such proceeding may be made upon such person by serving the attorney, except that subpoenas and other orders by which such person may be brought in contempt shall be served upon him by one of the methods described in paragraphs (b) and (c) of this section. In any case, copies of documents not served by serving such attorney shall be promptly sent to him; but service on such person shall be effective without proof that copies so sent were received.

(e) Proof of service. Proof of service shall not be required unless the fact of service is seasonably put in issue by appropriate motion or objection on the part of the person allegedly served or other party. In such cases, service may be established by written admission signed by or on behalf of the person to be served, or may be established prima facie by affidavit or certificate of service or mailing, as appropriate. When service is by registered or certified mail, it is complete upon delivery of the document by the post office.

Subpart F-Interstate Land Sales
Board and Appeals Officers

§ 1720.500 Functions of the Interstate Land Sales Board and appeals officers. There is hereby established within the Department of Housing and Urban Development an Interstate Land Sales Board, the members of which are designated as appeals officers and may be appointed from time to time by the Secretary. The functions, powers, and responsibilities delegated to an appeals officer designated from the Board as the authorized representative of the Secretary shall be to hear, consider and determine fully and finally appeals from decisions made pursuant to the rules in this part by administrative law judge and to conduct hearings pursuant to 15 U.S.C. 1715.

§ 1720.510 Composition of the Interstate Land Sales Board.

The Board shall consist of four (4) appointed employees of the Department of Housing and Urban Development designated as appeals officers, other than employees in the Office of Interstate Land Sales Registration. An appeals officer on the Board shall be available at all times for the hearing of each appeal. Records of proceedings before an appeals officer shall be kept by a Secretary to the Board who shall be an employee of the Office of General Counsel.

§ 1720.520 Decisions of appeals officer.

A decision of an appeals officer shall be considered the final action on behalf of the Secretary on matters properly before such officer pursuant to the rules in this part.

§ 1720.525 Reconsideration of final decision of appeals officer.

Any hearing for reconsideration pursuant to § 1720.405 of this part shall be heard by any three of the four appeals officers who shall sit in review as the Interstate Land Sales Board.

§ 1720.530 Department representative.

In each case being heard before an administrative law judge or an appeals officer, pursuant to this part, the De