This excerpt taken from the ZBRA 10-Q filed Apr 30, 2008.
No Fractions of Stock. The Company shall not be required to issue any fractional shares of Stock.
Payment of Taxes.
General Rule. If the Company is obligated to withhold an amount on account of any tax imposed as a result of the exercise of an Option, the Participant shall be required to pay such amount to the Company, as provided under Section 17 of the Plan. The Participant acknowledges and agrees that the Participant is responsible for the tax consequences associated with the grant of the Option and its exercise.