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[FIrina]

Если товар на складе имеется в упаковке, отличной от стандартной, допускается намеренный недобор в процессе комплектации, связанный с несоответствием кратности отбираемого количества товара фактической упаковке

Мой вариант: If the goods in stock are in non-standard package, intentional shortfall, which is connected with differences between multiplicity of goods being picked and actual package, is allowed during picking.

[tumanov]

вместо differences лучше в таком контексте использовать discrepancies.

[tumanov]

хотя с другой стороны - вот синонимический ряд

думаем и решаем!

Synonyms: difference, dissimilarity, unlikeness, divergence, variation, distinction, discrepancy
These nouns refer to a lack of correspondence or agreement. Difference is the most general: differences in color and size; a difference of opinion.

Dissimilarity is difference between things otherwise alike or comparable: a dissimilarity between the twins' personalities.

Unlikeness usually implies greater and more obvious difference: unlikeness among their teaching styles.

Divergence suggests an increasing difference: points of divergence between British and American English.

Variation occurs between things of the same class or species; often it refers to modification of something original, prescribed, or typical: variations in temperature; a variation in shape.

Distinction often means a difference in detail determinable only by close inspection: the distinction between "good" and "excellent."

A discrepancy is a difference between things that should correspond or match: a discrepancy between his words and his actions.