(A) Exclusive recognition through a written contract, agreement, or memorandum of understanding by a public employer to an employee organization whether specifically stated or through tradition, custom, practice, election, or negotiation the employee organization has been the only employee organization representing all employees in the unit is protected subject to the time restriction in division (B) of section 4117.05 of the Revised Code. Notwithstanding any other provision of this act, an employee organization recognized as the exclusive representative shall be deemed certified until challenged by another employee organization under the provisions of this act and the State Employment Relations Board has certified an exclusive representative.
(B) Any employee organization otherwise recognized by the public employer without a written contract, agreement, or memorandum of understanding shall continue to be recognized until challenged as provided in this act, and the Board has certified an exclusive representative.
(C) Nothing in this act shall be construed to permit an employer to terminate or refuse to make payroll deductions of dues, fees, or assessments to any employee organization pursuant to written authorization; except that the deductions may not continue to be made after another employee organization has been certified under this act by the Board.
(D) Nonexclusive recognition previous granted through an agreement of memorandum of understanding shall not preclude the Board from: (1) determining an appropriate unit, (2) if necessary, removing classifications from a bargaining unit under an existing nonexclusive contract, agreement or memorandum of understanding, and (3) holding a recognition-certification election to determine an exclusive representative for all such employees deemed part of the appropriate unit.
(E) Nothing in this act shall be construed to permit a skilled craft unit to be altered if there is in effect a lawful written agreement, contract, or memorandum of understanding between the public employer and an employee organization for the term of the agreement, contract, or memorandum of understanding which, on the effective date of this act, has been recognized by a public employer as the exclusive representative of the employees in that recognized bargaining unit or which by tradition, custom, practice, election, or negotiation has been the only employee organization representing all employees in that bargaining unit.
(F) This act does not preclude any nonprofit, voluntary, bona fide organization which, by tradition, custom and practice, has engaged in the processing of grievances for public employees before political subdivision civil service commissions as of June 1, 1983, from providing the services it has heretofore offered on a voluntary basis or from receiving a voluntary check-off of dues.