4709-9-12. Patch test [RESCINDED]  


Latest version.

Effective: 2/21/2019
Five Year Review (FYR) Dates: 11/28/2018
Promulgated Under: 119.03
Statutory Authority: 4709.05
Rule Amplifies: 4709.10
Prior Effective Dates: 10/23/1992, 01/01/2000, 11/02/2007, 07/20/2013