Receiving- Items due LOV

Hello, 

I have two requirements :

     - add new values into 'Items due' lov , when searching for orders to received (for example :  last 15 days)

     - default value 'Any time' for this field  (current default value is 'Last 7 days'.

Is this lov a lookup code (in this case, what is its name ?)

For default value , I found a forum discussion (Doc ID 419028.1)  where it is advised to use personalization to change default value from Last 7 days to "Any time", but for version 11.5.10 to 12.0.6.  Is there another solution for 12.1.5 version ?

Thanks for your help.