# Requirement for proof that a dog has been only in DMRVV low-risk or DMRVV-free countries · United States — The dated, ordered steps for taking a dog, cat or ferret into the United States, the European Union or Great Britain — microchip, rabies vaccination, blood test and the waiting periods between them, quoted from the law itself For Requirement for proof that a dog has been only in DMRVV low-risk or DMRVV-free countries · United States, entering is United States; provision is Requirement for proof that a dog has been only in DMRVV low-risk or DMRVV-free countries; applies to is Dogs arriving, including those returning to the United States, from a DMRVV low-risk or DMRVV-free country; what is required is may be admitted into the United States subject to the requirements in this section if the importer submits written documentation satisfactory to the Director that for the six months before arrival, the dog has been only in DMRVV low-risk or DMRVV-free countries; the clock is for the six months before arrival, recorded from its source on 2026-08-28; source re-checked 2026-09-15. - **Entering:** United States _(verified: appears in the quote below)_ - **Provision:** Requirement for proof that a dog has been only in DMRVV low-risk or DMRVV-free countries _(verified: appears in the quote below)_ - **Applies to:** Dogs arriving, including those returning to the United States, from a DMRVV low-risk or DMRVV-free country _(verified: appears in the quote below)_ - **What is required:** may be admitted into the United States subject to the requirements in this section if the importer submits written documentation satisfactory to the Director that for the six months before arrival, the dog has been only in DMRVV low-risk or DMRVV-free countries _(verified: appears in the quote below)_ - **The clock:** for the six months before arrival _(verified: appears in the quote below)_ - **Citation:** 42 CFR 71.51(u)(1) _(our reading, not quoted from the source)_ ## What the source says > Requirement for proof that a dog has been only in DMRVV low-risk or DMRVV-free countries. (1) Dogs arriving, including those returning to the United States, from a DMRVV low-risk or DMRVV-free country may be admitted into the United States subject to the requirements in this section if the importer submits written documentation satisfactory to the Director that for the six months before arrival, the dog has been only in DMRVV low-risk or DMRVV-free countries. ## Source - https://www.ecfr.gov/current/title-42/chapter-I/subchapter-F/part-71/subpart-F/section-71.51 Last verified: 2026-09-15. Review by: 2026-12-26. Part of [The dated, ordered steps for taking a dog, cat or ferret into the United States, the European Union or Great Britain — microchip, rabies vaccination, blood test and the waiting periods between them, quoted from the law itself](https://referencesource.org/pet-travel-entry-requirements/).