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ISR Bylaws

ISR Membership

(adopted May 2012)
(Amended, Nov 30, 2013)
(Amended, Dec 1, 2015)
(Amended Nov 26, 2018)


Section 1: Name

The name of this organization shall be the International Society of Radiology, hereinafter referred to as the ISR.


Section 1: Scope

The scope of the ISR comprises all branches of diagnostic radiology including x-ray, sonography, magnetic resonance imaging and spectroscopy, and interventional radiology, nuclear medicine, and biology and physics as related to medical imaging

Section 2: Purposes

The ISR shall be a nonprofit organization whose objectives are the following:

A. As a representative nongovernmental organization (NGO) to facilitate the global endeavors of the ISR’s member organizations to improve patient care and population health through medical imaging.

B. To accept, hold, invest, and administer any property – real, personal, or mixed – by gift, devise, bequest, purchase, lease, loan, or otherwise, absolutely or in trust, for any of the foregoing purposes and carry out the directions and exercise the powers contained in any trust or other instrument under which such property may be received, including, but without limitation, the expenditure of the principal, as well as the income, of any property so received, if authorized or directed in such trust or other instrument. If any such property is received without any designation of specific use, the ISR shall expend the income and principal thereof for any one or more of the foregoing purposes in such manner and amounts and at such time or times as deemed proper by the Executive Committee.

C. To have and exercise all other powers and authority now or hereafter conferred upon not-for-profit corporations under the laws of the State of Illinois, (USA).

D. No part of the net earnings of the ISR shall inure to the benefit of, or be distributable to, its officers, directors, members or other private persons, except that the ISR shall be authorized and empowered to pay reasonable compensation for services rendered and to make payments and distributions in furtherance of the purposes set forth in this section.


The ISR shall have and continuously maintain in the State of Illinois, USA, a registered office and a registered agent whose office is identical with such registered office, and may have such other offices inside or outside the State of Illinois as the Executive Committee may from time to time determine.


Section 1: Eligibility

A. National Societies
The ISR is composed of the national societies of radiology of its constituent countries. These national societies may be separate bodies of radiologists or autonomous radiological sections of national medical organizations. In any country where there is more than one national radiological society eligible for membership in the ISR, the societies shall be regarded by the ISR as a single body for the purpose of membership. Any application by a national society as designated above to be a member of the ISR must be validated by majority vote of the Executive Committee at its next meeting.

B. Continental Societies
The continental societies (i.e., the European Society of Radiology, the Asian and Oceanian Society of Radiology, the Inter-American College of Radiology, the American College of Radiology, Radiological Society of North America and the African Society of Radiology) shall each be represented on the Executive Committee.

C. Committee Participation Notwithstanding any other provision of these Bylaws, no individual may serve as delegate, representative, appointee, officer, member of the Executive Committee or any other ISR committee or other body unless and until all outstanding dues of the nominating or sponsoring organization are paid in full, or are waived by the Executive Committee per Article IX, Section 2. of these bylaws.

D. ISR Sponsored Events Notwithstanding any other provision of these Bylaws, no society will be eligible to host an ISR sponsored event unless current and outstanding dues are paid in full, or are waived by the Executive Committee per Article IX, Section 2. of these bylaws.

Section 2: Delegations to the International Assembly

A. The national radiological society or societies of each member country shall be entitled to appoint a national delegation of one person to the International Assembly. This delegation shall be appointed jointly by the national radiological societies if more than one exists in a country. The appointment of national delegations is for a minimum of a two-year period, and shall be completed no later than two months prior to the next meeting of the International Assembly.

B. The national radiological societies shall each select a delegation delegate. The chairman shall supply to the Secretary-General of the ISR the names of current officers and the current official address of the national society (or societies) responsible for appointment of the delegation.