§ 47-a. Employment of persons with a disability. Unless it can be clearly shown that a person's disability would prevent such person from performing the particular job no person who is otherwise qualified shall be denied equal opportunities to obtain and/or maintain employment and/or to advance in position in his job solely because said person is a person with a disability and is accompanied by a guide dog, hearing dog or service dog regardless of whether the employer or prospective employer is the state or any political subdivision thereof or any other category of employer.