IURC No. 20

• Part-1 Preface
• Part-2 Reserved for Future Use for Part 2
• Part-3 Reserved for Future Use for Part 3
• Part-4 Reserved for Future Use for Part 4
• Part-5 Reserved for Future Use for Part 5
• Part-6 Reserved for Future Use for Part 6
• Part-7 Reserved for Future Use for Part 7
• Part-8 Reserved for Future Use for Part 8
• Part-9 Reserved for Future Use for Part 9
• Part-10 Reserved for Future Use for Part 10
• Part-11 Reserved for Future Use for Part 11
• Part-12 Reserved for Future Use for Part 12
• Part-13 Reserved for Future Use for Part 13
• Part-14 Reserved for Future Use for Part 14
• Part-15 Reserved for Future Use for Part 15
• Part-16 Reserved for Future Use for Part 16
• Part-17 Reserved for Future Use for Part 17
• Part-18 Reserved for Future Use for Part 18
• Part-19 Reserved for Future Use for Part 19
• Part-20 Reserved for Future Use for Part 20
• Part-21 Access Services
• Part-22 Reserved for Future Use for Part 22
• Part-23 Reserved for Future Use for Part 23