Amendment to Section 280-O narrows the proviso's temporal scope, excluding later assessment years from its application.

The amendment narrows the temporal application of the proviso to section 280-O by inserting parenthetical qualifying language after "or any subsequent assessment year" to exclude a later assessment year from the proviso's applicability; it changes only the proviso's operative timeframe and does not alter other substantive provisions of section 280-O.

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