(760 ILCS 45/2) (from Ch. 17, par. 2102)
    Sec. 2. Definitions.) As used in this Act, unless the context otherwise requires:
    (a) "Bank or trust company" means any state bank, any national bank, any trust company or any other corporation, qualified to act as a fiduciary in this State.
    (b) "Affiliate" means any state bank, any national bank, any trust company or any other corporation, which is qualified to act as a fiduciary in this or any other State, and which is a member of the same affiliated group (within the meaning of Section 1504 of the Internal Revenue Code of 1954, as amended) of which the bank or trust company maintaining the particular common trust fund is a member.
    (c) "Fiduciary" means a bank or trust company or an affiliate acting in any of the following capacities, namely: testamentary trustee, trustee appointed by any court, trustee or agent under any written agreement, declaration or instrument of trust, executor, administrator, guardian, or custodian under a uniform transfers to minors act.
    (d) "Common trust fund" means a fund maintained by a bank or trust company exclusively for the collective investment and reinvestment of moneys contributed thereto by the bank or trust company or any affiliate thereof, in the capacity of a fiduciary or co-fiduciary.
    (e) "Custodian under a uniform transfers to minors act", means an account which the Secretary of the Treasury of the United States has determined is established pursuant to a State law which is substantially similar to the "Illinois Uniform Transfers to Minors Act" and with respect to which account the bank or trust company serving as custodian has established to the satisfaction of the Secretary of the Treasury of the United States that it has duties and responsibilities similar to duties and responsibilities of a trustee or guardian.
(Source: P.A. 84-915.)