2024 Ohio Code 4905.304 – Examining coal research and development costs incurred by gas or natural gas company

2023 Ohio Code 4905.304 – Examining coal research and development costs incurred by gas or natural gas company

2020 Ohio Code 4905.304 – Examining coal research and development costs incurred by gas or natural gas company

2018 Ohio Code 4905.304 – Examining coal research and development costs incurred by gas or natural gas company

2016 Ohio Code 4905.304 – Examining coal research and development costs incurred by gas or natural gas company

2015 Ohio Code 4905.304 – Examining coal research and development costs incurred by gas or natural gas company

2014 Ohio Code 4905.304 – Examining coal research and development costs incurred by gas or natural gas company

2013 Ohio Code 4905.304 – Examining coal research and development costs incurred by gas or natural gas company

2009 Ohio Code 4905.304 – Examining coal research and development costs incurred by gas or natural gas company