CHAPTER XI - DISPUTES 51. Authority to whom objection may be made. 52. Making of objections. 53. Determination of objections. 54. Hearings. 55. Intimation of outcome of objection. 56. Delay. 57. Refund on account of objection. 57A. Filing of appeal before Appellate Tribunal. 57B. Furnishing of security. 57C. Hearing of the appeal or application. 58. Determination of specific questions.