Below are details of the amendments that were published on 30 November 2005 (see the update index for all updates)
| Section | Title and details of update |
| INS12000 | Additional Chapter 12 "Indirect Taxes" added |
| INSAbbreviations | Abbreviations updated |
| INSMainContents | Additional Chapter 12 "Indirect Taxes" added |
| INS7000 | Main contents amended |
| INS7200 | Table of contents amended |
| INS7261 | Material relocated from INS7351 |
| INS7271 | Material relocated from INS7251 |
| INS7281 | Material relocated from INS7381 |
| INS7300 | New section |
| INS7400 | Table of contents amended |
| INS7461 | Material relocated from INS7371 |
| INS7471 | Material relocated from INS7461 |
