The authors examine Mississauga Majors v. Provincial Women’s Softball Association, in which the Applicant, the Mississauga Majors Baseball Association, a not-for-profit corporation that offers baseball and softball leagues exclusively for youth and young adult females (the “Majors”), sought a declaration from the court directing the Respondent, the Provincial Women’s Softball Association, which is the governing body for women’s softball in Ontario, to comply with its by-laws.