1. All proceedings taken prior to September 1, 1963, purporting to provide for the organization, reorganization, enlargement, or change in the boundaries of any school corporation in this state and not heretofore declared invalid by any court are hereby legalized, validated, and confirmed.
2. The foregoing shall not be construed to affect any litigation that may be pending at the time this section becomes effective involving the organization, reorganization, enlargement, or change in boundaries of any school corporation.