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Click on the 'Switch' for the rellevant relevant item, the following screen is displayed:
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Now, search for the product you are switching to - Select by supplier or Product:
Or key in a short descrioption description and select Find - you can select the required item from the list displayed:
the qunaitities quantities and UoM from the current recipe will be transferred - Amend any quantities, UoM and when you are done tick the Update column - or tick 'Select All' then click on Swithc Switch Item
All recipes will have now been updated with the new switched item - you can check by finding products with the new item code, this will then display all recipes using that item code:
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