Which of the following statements regarding the powers of the speaker of Lok Sabha are correct ? Choose the correct answer from the codes given below : (I) The speaker presides over a joint sitting of both the houses of Parliament. (II) When a Money Bill is transferred from the Lower House to the Upper House, the speaker shall endorse on the bill his certificate that it is a Money Bill. (III) While a resolution for his removal is under consideration, the speaker shall neither preside nor take part in its proceedings. (IV) The speaker does not vote in the House except when there is equality of votes. Codes :