Okla. Stat. tit. 11, § 11-1-103: Saving vested rights

The provisions of this act shall not in any manner affect the

rights, liability or right of action, civil or criminal, for or

against any municipality in any action commenced before the

effective date of this act. The adoption of this act shall not be

construed to repeal or in any way affect or modify:

1. Any substantive or fixed right;

2. Any law authorizing the issuance of any outstanding bonds of

any municipality;

3. Any law pursuant to which special assessments or rates or

charges of any nature levied by any municipality which have not been

paid in full, principal, interest, and any penalties; or

4. The running of any statute of limitation in force at the

time this act becomes effective.

All incomplete proceedings had and taken under any law hereby

repealed or amended in the acquisition or improvement of any

municipal project, the holding of any election, the creation of any

special assessment or other district, the levy and collection of any

taxes, special assessments, rates or charges of any sort, or the

issuance of any bond or other security appertaining to a municipal

project, any contract for the purchase of any such bonds or

securities, which proceedings are in substantial compliance

herewith, may, at the option of the municipal governing body, be

completed hereunder the same as if such incomplete proceedings had

been had and taken pursuant to the provisions hereof.