Financial Correction
A contractual accounting mechanism recalculates the final billed weight and price of a textile shipment based on its standard moisture content. Commercial invoice adjustment occurs when the actual moisture regain of delivered yarn or fabric deviates from the officially recognized commercial regain value. This adjustment protects both the buyer and the seller from financial losses caused by the natural fluctuation of water weight in bulk shipments.
In practice, the total weight of the shipment is mathematically adjusted to represent what the shipment would weigh at its standard moisture allowance.
Calculation Equation
Calculations for this correction require the initial dispatched weight and the measured moisture regain. The laboratory determines the moisture regain by oven-drying representative samples taken from the shipment. The formula scales the invoice weight to the standard moisture allowance, which cancels out the influence of wet-weather gains or dry-weather losses during transport.
Contractual Ground
Trade agreements and purchase contracts specify the exact commercial moisture allowances for each fibre type. Cotton yarn or polyester fabric each carry distinct designated allowance percentages. If the delivery-point test indicates a moisture content higher than the contract allows, the buyer receives a financial credit.
Fibre Valuation
Raw fibre valuation depends directly on these dry-weight adjustments to maintain fair trade. Transactions without these corrections would reward suppliers who store their goods in damp warehouses to artificially inflate their weight. Ensuring that all transactions are based on standardised weights stabilizes market pricing.