(a) Effective date--As of the filing of the articles of amendment in the Department of State, each amendment shall become effective and the articles of incorporation shall be deemed to be amended accordingly.

(b) Conclusiveness of certificate--The certificate of amendment shall be conclusive evidence of the performance of all conditions required by this act for amendment of articles of incorporation, except as against the Commonwealth.

(c) Existing rights and actions--No amendment shall affect any existing cause of action in favor of or against the institution, any pending action in which the institution is a party or existing rights of persons other than shareholders. If the amendment changes the name of the institution, no action by or against the institution shall be abated for that reason.