How do I go back to a PO to enter a couple more items?

Question:

How do I go back to a PO to enter a couple more items?

Resolution:

If the PO is a status 3-updated, all you need to do is create a change order. The PO # will be the same but have a new sequence #, All PO's created are sequence 001, the 1st change order will be sequence 002.
To create a change order on an existing posted and updated PO, key a ‘9’ in the opt field next to the desired purchase order and press ENTER. The change order function creates a second record for the same PO# with a new sequence number, (i.e. PO# 50111-002 - This does not create a new PO#, but a new SEQ).  The change order function is used to make additions to a PO that has already been updated.  After pressing ENTER to proceed, you can access the newly created record using a ‘2’ to change the PO.  Remember that the header information is identical to the original PO and that the change order record does not have any line records at this time.

Or if you are authorized, you can go to the Purchasing Special Functions Menu and take

option #1 Change P/O Status and then change the PO status from a "3" to a "1".