Cross-Series Modification means a modification involving (i) the Bonds or any agreement governing the issuance or administration of the Bonds, and (ii) the debt securities of one or more other series or any agreement governing the issuance or administration of such other debt securities.
Investment Strategy Modification means with respect to an Investment Strategy, the Portfolio Administrator makes operational adjustments to the Investment Strategy to ensure that, so far as possible, the basic principles and economic effect of the Investment Strategy are maintained or any material modification to the Investment Strategy or its implementation by the Portfolio Administrator.
Major modification means any physical change in or change in the method of operation of a major stationary source that would result in a significant emissions increase of a regulated NSR pollutant and a significant net emissions increase of that pollutant from the major stationary source.