This excerpt taken from the HMC 20-F filed Jun 30, 2009.
Article 10. (Confirmation of Shareholders)
1. When shareholders (including those with respect to whom the Notices concerning Specific Shareholders are given) make requests or otherwise exercise their rights as shareholders (hereinafter referred to as Requests), the shareholders shall attach or provide evidence that the shareholder in question has made the Request himself or herself (hereinafter referred to as the Documentary Evidence). However, if the Company is able to confirm that the Request has been submitted by the relevant shareholder, such Documentary Evidence will not be necessary.
2. If a Request is made by a shareholder to the Company through the Securities Companies and Others and/or the Transfer Institution, it will be deemed to be a Request from the relevant shareholder and Documentary Evidence will not be necessary.
3. If an agent makes a Request, such agent shall attach a power of attorney either signed by the shareholder or with his/her name and seal affixed in addition to implementing the procedures set out in paragraphs 1 and 2 above. The power of attorney must state the name and address of the person who is granted authority.
4. The provisions of paragraphs 1 and 2 above also apply to an agent, mutatis mutandis.