2024 26 USC 6412 – Floor stocks refunds

2023 26 USC 6412 – Floor stocks refunds

2022 26 USC 6412 – Floor stocks refunds

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2020 26 USC 6412 – Floor stocks refunds

2018 26 USC 6412 – Floor stocks refunds

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2015 26 USC 6412 – Floor stocks refunds

2014 26 USC 6412 – Floor stocks refunds

2013 26 USC 6412 – Floor stocks refunds

2012 26 USC 6412 – Floor stocks refunds

2010 26 USC 6412 – Floor stocks refunds