(3) any period of disability for which he received (i) a duty disability benefit under this Article, or (ii) a temporary total disability benefit under the Workers' Compensation Act if the disability results from a condition commonly termed heart attack or stroke or any other condition falling within the broad field of coronary involvement or heart disease, or (iii) whole or part pay. However, any period of service rendered by an employee contributor prior to the date he became a contributor to the fund shall not be counted as a period of service for ordinary disability purposes, unless the person made payment for the period as provided in Section 11-221 of this Article, in which case the period shall be counted as a period of service for ordinary disability purposes for periods of disability on or after the effective date of this amendatory Act of 1997. Overtime or extra service shall not be included in computing any term of service. Not more than 1 year of service shall be allowed for service rendered during any calendar year.
For the purposes of this Section, the phrase "any pension plan established by the local labor organization" means any pension plan in which a participant may receive credit as a result of his or her membership in the local labor organization, including, but not limited to, the local labor organization itself and its affiliates at the local, intrastate, State, multi-state, national, or international level. The definition of this phrase is a declaration of existing law and shall not be construed as a new enactment.