2024 19 CFR 177.12 – Modification or revocation of interpretive rulings, protest review decisions, and previous treatment of substantially identical transactions
2023 19 CFR 177.12 – Modification or revocation of interpretive rulings, protest review decisions, and previous treatment of substantially identical transactions
2022 19 CFR 177.12 – Modification or revocation of interpretive rulings, protest review decisions, and previous treatment of substantially identical transactions
2021 19 CFR 177.12 – Modification or revocation of interpretive rulings, protest review decisions, and previous treatment of substantially identical transactions
2020 19 CFR 177.12 – Modification or revocation of interpretive rulings, protest review decisions, and previous treatment of substantially identical transactions
2019 19 CFR 177.12 – Modification or revocation of interpretive rulings, protest review decisions, and previous treatment of substantially identical transactions
2016 19 CFR 177.12 – Modification or revocation of interpretive rulings, protest review decisions, and previous treatment of substantially identical transactions
2015 19 CFR 177.12 – Modification or revocation of interpretive rulings, protest review decisions, and previous treatment of substantially identical transactions
2014 19 CFR 177.12 – Modification or revocation of interpretive rulings, protest review decisions, and previous treatment of substantially identical transactions
2010 19 CFR 177.12 – Modification or revocation of interpretive rulings, protest review decisions, and previous treatment of substantially identical transactions
2009 19 CFR 177.12 – Modification or revocation of interpretive rulings, protest review decisions, and previous treatment of substantially identical transactions.