This model share transfer agreement is suitable for the transfer of shares in private and public companies and can be used instead of one transfer form or another. This share transfer agreement may also be amended to include special conditions related to the transfer, which would not be possible with a share transfer form and which are likely to transfer shares in several companies and several classes of shares. 7. Notices served in accordance with a provision of this share transfer agreement shall be served in writing and shall be served only if they are personally transmitted by one party to another or if they are served at the address of service of the party concerned. Communications may only be sent and sent in English. 5.15 This share transfer agreement is binding on both parties due to the conduct of both parties and despite a defect or error in the formality of its performance. . . .