The purchase order lead time appears under the “Purchase order” fast tab, “Other” section. Lastly, MRP looks at, in order of priority, for purchase order lead time is in the “Default order settings” form found in Released Products in AX > “Plan” ribbon bar > “Order Settings” group > “Default order settings” button. The purchase order lead time is located under the “Purchase order” fast tab, “Other” section. Going to the Released Products in AX > “Plan” ribbon bar > “Order Settings” group > “Site specific order settings” button, will open up the “Site specific order settings” form. The second place in AX where MRP looks at, in order of priority, for purchase order lead time is in the “Site specific order settings” form. The “Purchase time” field can be found on the “Lead Time” tab under the “Purchase section”. Going to the Released Products in AX > “Plan” ribbon bar > “Coverage” group > “Item coverage” button, will open up the form in the Overview tab by default. At first, MRP gives the most significance to the Item coverage. In Dynamics AX, master scheduling searches for this purchase order lead time for an item from three different places following a particular priority. That in turn directly impacts MRP to decipher the important question – WHEN to place an order.

Thus, the purchase order lead time plays an important part in determining what the reorder point should be.

Sales forecast, purchase order lead time and safety stock among other components helps to figure out the reorder point for an item in inventory. Purchase order lead time is the time interval that occurs between placing a purchase order for an item with a vendor and eventually receiving that item into a warehouse. A few recent discussions with customers about the role of the Purchase Order Lead Time and its influence on Master Planning inspired this blog posting.

Microsoft office purchase order form