| (a) | - | approval of the proposal relating to merger or amalgamation, referred to in clause (c) [and clause (d)] of section 5 by the board of directors of the enterprises concerned with such merger or amalgamation, as the case may be; |
| (b) | - | execution of any agreement or other document for acquisition referred to in clause (a) [and clause (d)] of section 5 or acquiring of control referred to in clause (b) of that section. |