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.