Below are details of the amendments that were published on 31 October 2005 (see the update index for all updates)
| Section | Title and details of update |
| INS1100 | INS1101 Contact details updated |
| INS1107 Text amendments | |
| INS1113 Text addition | |
| INS1700 | INS1704 Contact details updated |
| INS1708 Deleted. Final two paragraphs moved to end of INS1113 | |
| INS2100 | INS2101 Text addition |
| INS2109 Text amendments due to Newsboard 460/05 | |
| INS2200 | INS2205 Guidance amended |
| INS2207 Text deleted | |
| INS2300 | INS2303 Text amendments to Tax Credits and Penalties |
| INS6300 | INS6310 Text addition to Voluntary Arrangements |
| INS7100 | INS7103 Text deleted |
| INS7205 Text deleted for NIRS 2 cases and text amendments to Employer cases | |
| INS7201 | Text additions. Guidance in INS7311 moved to INS7201 |
| INS7212 References updated | |
| INS7216 References updated | |
| INS7221 Guidance amended for inter-departmental set-offs | |
| INS7223 Text amendments | |
| INS7226 Guidance amended due to RS memo 28/05 and references updated | |
| INS7227 Text addition | |
| INS7230 Text amendments | |
| INS7231 Text amendments | |
| INS7234 References and contact details updated | |
| INS7235 References updated and some text deleted | |
| INS7241 References updated | |
| INS7242 Text amendments | |
| INS7244 Text amendments | |
| INS7251 | INS7253 Guidance expanded |
| INS7254 Text amendments | |
| INS7256 Reference addition | |
| INS7257 Text added – moved from INS7362 | |
| INS7271 | INS7272 Text amendments |
| INS7274 Text amendments | |
| INS7275 Text amendments and references updated | |
| INS7277 Contact details updated | |
| INS7278 Text amendments | |
| INS7279 Contact details updated and guidance amended for Penalties and MVLs | |
| INS7311 | Text moved to INS7201 |
| INS7351 | INS7353 Text amendments and references updated |
| INS7354 Text amendments | |
| INS7355 Guidance amended | |
| INS7361 | INS7362 Text moved to INS7257 |
| INS7363 Text deleted | |
| INS7381 | INS7383 Text amendments |
| INS7390 Text amendments | |
| INS7401 | INS7402 Contact details updated |
| INS7403 Text amendments | |
| INS7404 Text deleted | |
| INS7409 Text deleted | |
| INS7421 | INS7424 Contact details updated |
| INS7425 Contact details updated | |
| INS7451 | INS7453 Text deleted |
| INS7461 | INS7462 List updated |
| INS7464 List updated | |
| INS9750 | INS9757 Text amendments to making a payment |
