Complex sentence: On February 29,1950 the Institution became the Lembaga Kebudayaan Indonesia (Indonesian Culture Council) and on September 17,1962 it was handed over to the Indonesian government and became the Museum Pusat (Central Museum).
Split into simpler sentences: On February 29,1950 the institution became the "Lembaga Kebudayaan Indonesia" (Indonesian Culture Council). On September 17,1962 it was handed over to the Indonesian government and became known as "Museum Pusat" (Central Museum).