This excerpt taken from the HPQ DEF 14A filed Jan 27, 2010.
Timing and Form of Payment. The Administrator shall determine the timing of payment of any Cash Award. The Administrator may provide for or, subject to such terms and conditions as the Administrator may specify, may permit an Awardee to elect (in a manner consistent with Section 409A of the Code) for the payment of any Cash Award to be deferred to a specified date or event. The Administrator may specify the form of payment of Cash Awards, which may be cash or other property, or may provide for an Awardee to have the option for his or her Cash Award, or such portion thereof as the Administrator may specify, to be paid in whole or in part in cash or other property.