Upholstered domestic seating - Measures in Force
Upholstered seating for domestic purposes originating in or exported from the People’s Republic of China and the Socialist Republic of Vietnam, whether motion (including reclining, swivel and other motion features) or stationary, whether upholstered with a covering of leather (either full or partial), fabric (including leather substitutes) or both, including, but not limited to seating such ...
www.cbsa-asfc.gc.ca
Starting from May 05, 2021, most of the Wooden and Metal framed domestic Chairs/Sofas/Seats from China and Vietnam were subject to Anti-dumping Duties & Countervailing Duties.  (Seats for Office & Restaurant use only are not on the list.)
Please remember to ask your clients to do the SIMA Duties research and get CBSA's opinion before importing.

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Upholstered domestic seating
Dumping and subsidy (China and Vietnam)
Measure in Force code
uds
Product definition
The subject goods are defined as:
Upholstered seating for domestic purposes originating in or exported from the People’s Republic of China and the Socialist Republic of Vietnam, whether motion (including reclining, swivel and other motion features) or stationary, whether upholstered with a covering of leather (either full or partial), fabric (including leather substitutes) or both, including, but not limited to seating such as sofas, chairs, loveseats, sofa beds, day beds, futons, ottomans, stools and home theatre seating (HTS).
Excluding:
Stationary (i.e. non motion) seating upholstered only with fabric (rather than leather), even if the fabric is a leather‑substitute (such as leather like or leather‑look polyurethane or vinyl)
dining table chairs or benches (with or without arms) that are manufactured for dining room end‑use, which are commonly paired with dining table sets
upholstered stools with a seating height greater than 24 inches (commonly referred to as “bar stools” or “counter stools”), with or without backs, and/or foldable
seating manufactured for outdoor use (e.g. patio or swing chairs)
bean bag seating and
foldable or stackable seating
For greater certainty, the product definition includes:
Upholstered motion seating with reclining, swivel, rocking, zero gravity, gliding, adjustable headrest, massage functions or similar functions
seating with frames constructed from metal, wood or both
seating produced as sectional items or parts of sectional items
seating with or without arms, whether part of sectional items or not and
foot rests and foot stools (with or without storage)
Tariff classification numbers
The subject goods are usually imported under the following tariff classification numbers:
9401.40.00.00
9401.61.10.10
9401.61.10.90
9401.71.10.10
9401.71.10.90
Please note that these tariff classification numbers may apply to goods which are not subject to the Special Import Measures Act (SIMA) measures, may change because of amendments to the Departmental Consolidation of the Customs Tariff, or the subject goods may be imported under tariff classification numbers that are not listed.
Refer to the product definition for the authoritative details regarding the subject goods. For more information on the tariff classification numbers, please refer to the harmonized commodity description and coding system.
Duty liability
(Provisional anti‑dumping duties)
Country of origin or export: China and Vietnam
Provisional anti‑dumping duty is payable on subject goods that are released from the CBSA during the period commencing May 5, 2021, and ending on the earlier of the day the dumping investigation is terminated, the day on which the Canadian International Trade Tribunal (CITT) makes an order or finding, or the day an undertaking is accepted.
For information regarding the rates of provisional anti‑dumping duty, please consult the CBSA’s Notice of preliminary determinations.
For importations of subject goods for which the exporter has not been issued a specific rate, the rates of anti‑dumping duty are equal to: