Ohio Rev. Code Ann. § 9.911
(A) An annuity contract or custodial account procured for an employee of a public institution of higher education pursuant to section 9.90 of the Revised Code shall comply with both of the following:
(2) The institution, in its sole and absolute discretion, shall arrange for the procurement of the annuity contract or custodial account by doing one of the following:
(B) Division (A)(2)(a) of this section does not require a public institution of higher education to select a provider if either of the following is the case:
(D) If an employee designates a provider under division (A)(2)(b) of this section, the employing institution shall comply with the designation but may require either or both of the following:
(1) That the provider enter into an agreement with the institution that does either or both of the following:
(E) An institution may require a provider selected under division (A)(2)(a) of this section to enter into an agreement with the institution that does either or both of the following: