This excerpt taken from the AAPL 10-Q filed May 4, 2005.
Rights to Purchase. Stock Purchase Rights may be issued either alone, in addition to, or in tandem with other Awards and/or cash awards made outside of the Plan. After the Administrator determines that it will offer Stock Purchase Rights under the Plan, it shall advise the Participant in writing or electronically, of the terms, conditions and restrictions related to the offer, including the number of Shares that the Participant shall be entitled to purchase, the price to be paid, and the time within which the Participant must accept such offer. The offer shall be accepted by execution of an Award Agreement in the form determined by the Administrator.