Question

to stand at attention while the national anthem is playing​

Answer 1

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(1) Whenever the Anthem is sung or played, the audience shall stand to attention. ... (2) As in the case of the flying of the National Flag, it has been left to the good sense of the people not to indulge in indiscriminate singing or playing of the Anthem.

Answer 2

Answer:

According to the ministry of home affairs

(1) Whenever the Anthem is sung or played, the audience shall stand to attention.(2) As in the case of the flying of the National Flag, it has been left to the good sense of the people not to indulge in indiscriminate singing or playing of the Anthem.