Employee accumulated contributions:
More than $1.00 up to $500 = 1 year participating service
More than $500 up to $1,000 = 2 years participating service
More than $1,000 up to $1,500 = 3 years participating service
More than $1,500 up to $2,000 = 4 years participating service
More than $2,000 = 5 years participating service
In no event shall the employee be entitled to more than five (5) additional years of participating service as provided hereunder.
Provided further, that upon termination of employment prior to retirement, the accumulated contributions will be credited as above indicated to establish a vested benefit if so elected by any such employee; and
Members electing to take advantage of the transfer authorized by this subsection who are receiving or eligible to receive retirement credit or benefits from such service in any other public retirement system shall have all service credit with the Teachers' Retirement System of Oklahoma canceled which is not transferred to the Oklahoma Public Employees Retirement System or used as a cash offset in such a transfer pursuant to subparagraph d of paragraph 2 of this subsection. Service credit transferred to the Teachers' Retirement System of Oklahoma under this subsection shall also be canceled with the Oklahoma Public Employees Retirement System.
Such an election shall be made in writing, filed with the System prior to receiving the credit provided for in paragraph 1 of this subsection, and shall be irrevocable.
Members electing to take advantage of the transfer authorized by this subsection shall have all service credit with the Teachers' Retirement System of Oklahoma canceled which is transferred to the Oklahoma Public Employees Retirement System.
Within thirty (30) days after notification of an intent to transfer is received by the sending system, the sending system shall, according to its own rules, send to the receiving system all employer and employee contributions made on behalf of the member which were made to the sending system plus an additional amount of earnings based on the actuarial assumed rate of the sending system. Upon receipt of these contributions by the receiving system, the receiving system shall give credit to the transferring member in an amount equal to the years of service accrued in the sending system.
Okla. Stat. tit. 74, § 913