Primary-source library
CBP sauna rulings
Sauna Import uses fact-specific customs rulings to establish why a tariff category is relevant. The library also keeps contrasting rulings together so a convenient code is not mistaken for a universal rule.
| Ruling | Date | Product / issue | Classification or issue | Source |
|---|---|---|---|---|
| 884879 | May 5, 1993 | Complete wooden saunas from Finland | Historic 9406.00.4000 (prefabricated buildings of wood) | CBP CROSS ↗ |
| N290059 | Oct 6, 2017 | Non-freestanding sauna kits from Canada | Identified wood components classified separately; not heading 9406 | CBP CROSS ↗ |
| N304393 | Jun 12, 2019 | Complete prefabricated wooden sauna | 9406.10.0000 | CBP CROSS ↗ |
| H179957 | Sep 20, 2012 | Electric heater in DIY cedar sauna kit | 8516.29.00; other components separate | CBP CROSS ↗ |
| N333797 | Jul 21, 2023 | Portable infrared sauna | 8516.79.0000 | CBP CROSS ↗ |
| H343750 | Jun 4, 2025 | Outdoor barrel saunas; multi-country production | Classification, country of origin, USMCA and Section 301 analysis | CBP CROSS ↗ |
| N359114 | Mar 25, 2026 | Merino wool sauna hat | 6505.00.4090 | CBP CROSS ↗ |
Why N290059 matters
“Sauna kit” is not a classification
The Canadian kit was designed to be built into an existing structure and lacked its own framing, exterior walls and roof. CBP found it did not have the essential character of a prefabricated building. That directly contrasts with complete freestanding sauna-building rulings.
Why H343750 matters
Origin can change the tariff analysis
The barrel-sauna ruling follows production through Canada, China and Mexico and then addresses origin and preferential-treatment questions. It is a useful model for understanding why the place of final assembly alone may not answer every customs question.
Editorial rule: classifications enter the tracked dataset only when primary CBP authority establishes a sauna connection. Secondary databases can help discover rulings, but the site links back to CBP CROSS whenever the document is available.