Field help (OLDDATINP) 

This rule corresponds to the authorization granted to fill a location with products having an older FIFO date.

If the box is not checked, any input to the location of a product having a FIFO date prior to the FIFO date of the oldest stock object on the location is prohibited.

If the box is checked, the operator may place an object with a past FIFO date in a location that is not supposed to accommodate it. This parameter is namely used to free high-capacity locations, only occupied by one or two objects with an old date.