Proving classification for generic TWS earbuds without cellular radio. Confirmed as Category III consumer electronics for the seed CET mapping. Not a binding customs ruling. Not a Cameroon Customs advance ruling.

Planning estimate for the China → Cameroon (Douala) proving lane. Not customs advice. Regulatory numbers carry explicit review status and evidence links; CONFLICT and UNKNOWN components are not hidden. Law 2025/012 PDFs are archived as scanned images; targeted OCR of key sections found no rate-confirming article; primary text is not the calculation driver. TPR-reported SGS minimum, USDOC-reported DI threshold, TPR-reported CCI/OHADA (not equated with seed CIA), computerFee CONFLICT secondary reports (not averaged), TPR five-band CET structure (not applied), Law 2025/012 Harmonized ECCAS-CEMAC CET Decision reference (Decision not archived), TPR/Arrêté MINT BESC/ECTN maritime cargo-tracking note (fixed-fee; CNCC BESC 3.0 Tarification secondary/operator-published schedule reports container import without vehicle/moto at €55 per batch of 10 TEUs (Africa and Europe) and €100 per batch of 10 TEUs (rest of the world, incl. China origin) — secondary disclosure only, not hashed as official_primary; not modeled), TPR-reported customs valuation practice (transaction value not systematically applied; reference/market values used in doubt; not modeled), TPR-reported fee on intellectual works / copyright (5% FOB electronic media; not modeled), TPR-reported Cameroon national deviations from CET on 170 tariff lines (2.9%; not modeled), PECAE/ANOR Certificate of Conformity requirement for regulated products (fees variable; not modeled), CAC (Centimes Additionnels Communaux) commonly reported at 10% of customs duty (distinct from VAT municipal surcharge; not modeled), local-insurance obligation (Law 75/14 + Decree 76/334 / TPR; FOB ≥ CFAF 500,000; approved local insurer; not modeled as hard gate), FEICOM redevance commonly reported at 0.5% for certain products (not modeled), withholding tax on purchases / précompte IR commonly reported at 1% with taxpayer card or 5% without (base and current primary instrument not extracted; not modeled), bank domiciliation (domiciliation bancaire) commonly required for FOB ≥ CFAF 5,000,000 with a fixed fee often listed near 11,090 FCFA (secondary; primary instrument not extracted; not modeled), PAD/acconage port charges (Port Autonome de Douala merchandise/landing charges and acconage handling; secondary sources describe variable fees after customs liquidation; exact published schedule not extracted from primary; not modeled), Honoraires d'Agréé en Douane (HAD) / CDA customs-broker fees (secondary sources commonly describe tiered fixed fees by CAF value and dossier fees; exact current primary DGD barème not extracted; not modeled), GUCE facilitation fee / redevance (MINEPAT guide reports fixed CFAF 12,500 per validated file; practitioner notes sometimes list near 0.15%; exact current primary schedule not extracted; not modeled), commission pour travail extra-légal (TEL) (MINEPAT guide, Cameroon Tribune / MINFI CAMCIS digitalization notes; forfait near 10,000 FCFA per operation for customs work outside legal hours or places; exact current primary barème not extracted; not modeled), maritime freight abatement / décote fret commonly reported at 80% for non-vehicle sea imports (secondary; exact current primary instrument and scope exceptions not extracted; not modeled — engine keeps 100% user-supplied freight in CIF), Port of Douala / Douala-Bonabéri container scanner fees / frais de scanner commonly reported near 50,000 FCFA empty / 60,000 FCFA 20-foot / 85,000 FCFA 40-foot (secondary; exact current primary published schedule not extracted; not modeled as a charge line), FIE (Fichier des Importateurs et Exportateurs) annual registration fee commonly reported at CFAF 25,000 (CNCC 10,000 + MINCOMMERCE 15,000) (secondary; exact current primary instrument not extracted; not modeled as a charge line; seed rates unchanged), COSS (Comité d'Organisation des Soldes et Stocks) redevance commonly reported at 0.2% (Lefisk calcul-droits table, secondary; alongside GUCE 0.15% and CAMCIS 0.5%; exact current primary instrument and scope not extracted; not modeled as a charge line; seed rates unchanged), CAMCIS (Cameroon Customs Information System) redevance commonly reported at 0.5% (Lefisk calcul-droits table, secondary; alongside GUCE 0.15% and COSS 0.2%; also described as redevance informatique / CAMCIS system fee; secondary 0.5% is not equated with seed computerFee 1% CIF and is not averaged with TPR RUSID 0.45% FOB — relation disclosed only; exact current primary instrument and scope not extracted; not modeled as a charge line; seed rates unchanged), and TVA (VAT) on inspection and control fees (TVI, TVE, CIVIC, phytosanitary control tariffs) liquidated via GUCE (CNCC communiqué Douala 18 August 2025 applying CGI art. 149 al. 5; effective 1 July 2025; secondary / operator communiqué — not hashed as official_primary; engine SGS percentage unchanged; no additive VAT-on-inspection line modeled; not modeled) are disclosed only.