You are the audit senior assigned to the audit of Fix-IT Ltd,a motor vehicle spares company.You obtain an understanding of the inventory function from Mr Thato,the warehouse manager.

He informs you that there are two pickers in the warehouse who are responsible for picking the goods to fulfil customer orders but the despatch clerk, Mr Jazzy, is the only one allowed to despatch the fulfilled orders to the customers. Which one of the following alternatives best describes the control activity achieved by the above-mentioned procedure performed in the warehouse of Fix-IT Ltd?