(h) not to take or authorize measures that would not in any way affect the value or third-party effectiveness of the interest of the secured creditor in the hypothecated security rights. (a) the holders of pledges shall maintain the mortgaged shares, as well as the powers of unsigned shares, executed under empty signatures secured for transmission, to their benefit, and Pledgor shall also undertake to execute other documents and take other measures that the holders of the pledges deem reasonably necessary or desirable to create and perfect the rights of guarantee created under this Agreement. there are plans to do so. to do the foregoing and to enable agents to exercise their rights and remedies under this Treaty. (f) not to create or levy a right of pledge on or in respect of the mortgaged guarantees, with the exception of the guarantee which it creates; (c) the granting by pledgor or improvement of the right of guarantee established by this guarantee in mortgaged guarantees or in the exercise of their rights and remedies by creditors of pledges does not require authorisation, authorisation or any other act and does not require notification or deposit with a governmental or other supervisory authority, except: this is necessary in connection with the sale of collateral mortgaged by laws relating to the offering and sale of securities in general, including enforcement proceedings sanctioned under the interpretations of securities law. . . .