translation: XX 01 04 yy [21: Sub-ceiling for external staff covered by operational appropriations (former ‘BA' lines).]
translation: XX 01 04 yy [21: Sottolimitu għall-persunal estern kopert minn approprjazzjonijiet operazzjonali (li qabel kienu l-linji "BA").] - fil-Kwartieri Ġenerali