The ASABE Bylaws establish that "A Fellow shall be a member of unusual professional distinction, with outstanding and extraordinary qualifications and experience in, or related to, the field of agricultural, food, or biological systems engineering. A Fellow shall have had 20 years of active practice in, or related to, the profession of engineering; the teaching of engineering; or the teaching of an engineering-related curriculum. Graduation from a professional agricultural engineering curriculum (or its engineering equivalent) shall be considered equal to four years of active practice. The designation Fellow shall have honorary status, to which members of distinction may be elected, but for which they may not apply. Admission shall be only after a minimum of 20 years as a Member-Engineer or Member.  The number of candidates elected to the grade of Fellow each year shall not exceed 0.2 percent (2/10 of 1.0 percent) of total ASABE membership in the grades of Member-Engineer and Member at the end of the immediate preceding calendar year.