This excerpt taken from the HRB DEF 14A filed Aug 16, 2006.
ARTICLE 6. METHOD OF PARTICIPATION.
Each Eligible Seasonal Employee who either (i) is an employee of Tax Services on April 15 (or the next business day if it falls on a Saturday, Sunday or holiday) of each calendar year the Plan is in effect, or (ii) has been an employee of Tax Services for at least an aggregate of 100 working days during the 12-month period ending with the date of grant, shall be granted an option to purchase one share of Common Stock for each $100 of the total compensation earned by him or her during and throughout the 12-month period ending with the date of grant (such total compensation during such period to be referred to herein as Total Compensation), provided, however, that (a) each Eligible Seasonal Employee who is not entitled to an option grant under the provisions of this Article 6 on June 30, 1999 (regardless of whether or not such Eligible Seasonal Employee was employed on or before such date), but who, with respect to any subsequent date of grant during the term of the Plan, otherwise meets the requirements of this Article 6, shall be granted as of such subsequent date of grant an option to purchase one share of Common Stock for each $200 of Total Compensation in lieu of an option to purchase one share of Common Stock for each $100 of Total Compensation, (b) no employee shall be granted an option to purchase in excess of 100 of said shares in any calendar year under the Plan, (c) no employee shall be granted an option if such employees Total Compensation for the applicable year is less than $4,000 ($500 for an option granted on June 30, 1999), and (d) any fractional shares which would otherwise be subject to an option under the Plan shall be adjusted to the nearest whole number of shares. As promptly as possible after June 30 of each year the Plan is in effect (but effective as of such date), each Eligible Seasonal Employee shall be notified in writing of the number of shares optioned to him or her under the Plan, the option price and the terms and conditions of said option, as described in Article 9.