Complex sentence: Both the emblem and the flag was accepted by the House of Assembly of Papua and New Guinea and signed into law as the "National Identity Ordinance" by the Administrator of Papua New Guinea Sir Leslie Johnson on 24 June 1971.
Split into simpler sentences: Both the emblem and the flag was accepted by the by the House of Assembly, which passed the "National Identity Ordinance". The ordinance was signed by the Administrator of Papua New Guinea Sir Leslie Johnson on 24 June 1971.