You may also look at dulicate record.
DoCmd.GoToRecord , , acLast
DoCmd.DoMenuItem acFormBar, acEditMenu, 8, , acMenuVer70
DoCmd.DoMenuItem acFormBar, acEditMenu, 2, , acMenuVer70
DoCmd.DoMenuItem acFormBar, acEditMenu, 5, , acMenuVer70
DoCmd.GoToControl "PONumber "...