BYLAWS of the Special Interest Group on
MOBILITY OF SYSTEMS, USERS, DATA, and COMPUTING
of the Association for Computing Machinery
Adopted: June 13, 1996
Amended: July 22, 2009
Article 1. Name and Scope
Article 2. Purpose
- This organization will be called the Special Interest Group on
Mobility of Systems, Users, Data, and Computing ("SIGMOBILE") of the
Association for Computing Machinery, Inc. ("the ACM").
- SIGMOBILE's specialty is mobility. Its scope includes all aspects
of mobile computing and communications, such as mobile systems and
applications, wireless networking protocols and algorithms, and mobile
information access and management.
SIGMOBILE is organized and will be operated exclusively for
educational, scientific, and technical purposes in its specialty. Its
services will include:
Article 3. Charter
- Collecting and disseminating information in the specialty, through
a newsletter and other publications approved by the Publications Board
of the ACM;
- Organizing sessions at conferences of the ACM;
- Sponsoring conferences, symposia, and workshops;
- Organizing working groups for education, research, and development;
- Serving as a source of technical information for the Council and
other units of the ACM;
- Serving as an external technical representative of the ACM when
authorized by the Council or the Executive Committee of the ACM; and
- Working with other units of the ACM on technical activities such as
lectureships or professional development seminars.
SIGMOBILE is a Special Interest Group (SIG) as defined under Bylaw 6
of the ACM. SIGMOBILE will exist until dissolved by the Council of ACM
as provided in that ACM bylaw.
Article 4. Officers
Article 5. The Executive Committee
- SIGMOBILE's officers are the Chair, the Vice Chair, the Secretary,
and the Treasurer. The officers are elected for two-year-terms
beginning July 1 of odd-numbered years.
- The Chair is the principal officer and is responsible for leading
SIGMOBILE and managing its activities. The duties of the Chair are:
- Calling and presiding at SIGMOBILE's Executive Committee and
- Conducting SIGMOBILE's activities in accordance with the policies
of the ACM; and
- Making all appointments and filling vacancies as authorized
- The duties of the Vice Chair are:
- Assisting the Chair in leading and managing SIGMOBILE; and
- Presiding at meetings when the Chair is absent.
- The duties of the Secretary are:
- Maintaining the records and correspondence of SIGMOBILE; and
- Keeping and distributing the minutes of business and Executive
Committee meetings of SIGMOBILE.
- The duties of the Treasurer are:
- Managing SIGMOBILE's finances according to the Financial
Accountability Policy of the ACM. This includes preparing the annual
budget, monitoring disbursements for adherence to the annual budget,
and preparing financial reports as required.
Article 6. Vacancies and Appointments
- The SIGMOBILE Executive Committee comprises the officers, the Past
Chair, and the Editor-in-Chief of the SIGMOBILE newsletter. No person
may hold two positions on the SIGMOBILE Executive Committee.
- The general duties of the SIGMOBILE Executive Committee will be to
advise the Chair on all matters of interest to the SIG. Specific
duties or responsibilities may be specified in these bylaws or
assigned by the Chair. All the major management policy decisions of
the SIG must be approved by the SIGMOBILE Executive Committee.
- All members of, or candidates for, the SIGMOBILE Executive
Committee must be voting Members of ACM and of SIGMOBILE.
Article 7. The Newsletter
- Should the Chair leave office before his or her term expires, the
Vice Chair will assume the duties of Chair. Should any other officer
position or the position on the SIGMOBILE Executive Committee reserved
for the Past Chair become vacant, the Chair of the SIG Governing Board
may, on nomination of the SIGMOBILE Chair, fill the vacancy. Vacancies
in positions appointed by the SIGMOBILE Chair may be filled according
to the procedures for making the original appointments as provided
- Should a vacancy be unfilled, either because of inadequacy of these
bylaws or because of a dispute or for any other reason, the SIG
Governing Board Chair may fill it, as provided in Bylaw 6 of the ACM.
- All appointments expire automatically when the Chair's term of
office expires. Appointees, however, will continue to serve until a
successor is appointed by the new Chair.
Article 8. Membership, Dues, and Voting Privileges
- SIGMOBILE will publish a newsletter at regular intervals as
determined by the SIGMOBILE Executive Committee. The newsletter will
be distributed to all SIGMOBILE members. Newsletter subscriptions may
be sold to non-members.
- With the advice of the other officers, the Chair will appoint the
Editor-in-Chief of the newsletter, who will become a member of the
SIGMOBILE Executive Committee.
Article 9. Reports and Records
- A person becomes a member of SIGMOBILE only after enrolling and
paying the required dues. The dues for SIGMOBILE are determined by the
SIGMOBILE Executive Committee with the approval of the Chair of the
SIG Governing Board.
- All members of SIGMOBILE may vote in any ballot conducted with
SIGMOBILE. On any ballot, the votes cast by non-ACM members of
SIGMOBILE will, if necessary, be prorated downward so that their
effective total cannot exceed 50% of the eligible vote.
The SIGMOBILE Chair is responsible for filing reports about SIGMOBILE
as required by the SIG Governing Board. These include:
The membership records of SIGMOBILE will be maintained by ACM
- An annual report, due as specified by the SIG Governing Board, on
the activities of SIGMOBILE during the previous year;
- All reports required by the Financial Accountability Policy of the
- Closing reports on conferences and symposia (co)sponsored by
SIGMOBILE as required by the ACM.
Article 10. Elections
Article 11. Amendments
- By September 30 of each even-numbered year, if the SIG Governing
Board has not exercised its option to extend the term of the SIG's
current officers for an additional two years, the SIGMOBILE Chair will
appoint a nominating committee which will propose at least two
consenting candidates for each elective office of SIGMOBILE. The slate
of candidates selected by the nominating committee must be presented
to all the SIGMOBILE members by the following January 31.
- A petition from 1% of the voting members of SIGMOBILE will place
other consenting candidates on the ballot. Petitions must be received
by the Secretary of SIGMOBILE no later than March 15 of the election
- The election will be conducted among eligible voters by ACM
Headquarters by June 1, following the election procedures of the ACM,
unless different procedures have been approved by the SIG Governing
Board. Of all the ballots returned in an election, the candidates
receiving the largest numbers of effective votes win. The SIG
Governing Board will resolve ties.
Article 12. Dissolution
- These bylaws may be amended by a majority vote of the ACM Executive
Committee, or by a vote of the SIGMOBILE members as provided
below. With the approval of the SIGMOBILE Executive Committee and of
the Executive Committee of the ACM, 2/3 of all members of the SIG
Governing Board may amend Article 1 of these bylaws without a
referendum of the members.
- Amendments to these bylaws may be proposed by the SIGMOBILE
Executive Committee, the SIG Governing Board, or a petition from 1% of
the voting members of SIGMOBILE. All proposed amendments must be
approved, prior to being submitted for a vote of the membership, by
the Chair of the SIG Governing Board and by the Constitution & Bylaws
Committee of ACM, after the Executive Director of ACM has provided
- The ballot on the proposed amendment(s) will be conducted among the
eligible voters by ACM Headquarters following the procedures of the
ACM for voting bylaw amendments, unless a different procedure has been
approved by the SIG Governing Board. The proposal is adopted only if
at least 2/3 of the effective votes of returned ballots approve it,
and only if at least 10% of the ballots are returned. The SIGMOBILE
Secretary will send a clean copy of the amended bylaws to the
Executive Director of the ACM and to the Chair of the SIG Governing
Should SIGMOBILE be dissolved, its assets will be supervised by the
SIG Governing Board.
Article 13. Meetings
SIGMOBILE will conduct at least one open business meeting each year,
normally in conjunction with a conference sponsored or cosponsored by
SIGMOBILE. All meetings sponsored by SIGMOBILE must be open to all
members of the ACM. SIGMOBILE may hold meetings only in places that
are open to all classes of members of the ACM.
Article 14. Consistency
The Constitution, Bylaws, and policies of the ACM and of the SIG
Governing Board take precedence over any conflicting provisions of
these bylaws or internal policies of SIGMOBILE.