Commonwealth Act No. 570

: The main purpose of Commonwealth Act No. 570 is to declare the Filipino national language as one of the official languages of the Philippines starting from July 4, 1946.
: Commonwealth Act No. 570 took effect upon its approval on June 7, 1940, but the declaration of Filipino as an official language was set to be effective from July 4, 1946.
: Section 1 declares the Filipino national language as one of the official languages of the Philippines effective July 4, 1946.
: The Bureau of Education supervises the preparation of textbooks written in the national language.
: The Institute of National Language must approve the language form of textbooks related to the national language before they are prepared and used.
: Primary schools are specifically mentioned as the level for which textbooks written in the national language must be prepared.
: Yes, the Act mentions that public and private schools and other agencies and methods of popularization shall be involved in propagating the national language.
: The scope includes making the Filipino language an official language and ensuring textbooks and educational materials in the national language are created and promoted through schools and other means.
: The National Assembly of the Philippines enacted and approved Commonwealth Act No. 570.
: The Act does not specify any penalties for non-compliance within its text.