If a stock company has failed to give notice pursuant to the provisions of paragraph (2) of the preceding Article within two weeks (or if any shorter period of time is provided for in the articles of incorporation, relevant shorter period of time) from the day of the requests for approval of transfer, the stock company is deemed to have given the approval under Article 262 or Article 263, paragraph (1);provided, however, that this does not apply if otherwise provided for by agreement between the stock company and the person who made the requests for approval of transfer.