MXIK (IKPU) codes, class 10604: Scientific research, development and engineering survey services
4 positions · 6 subpositions · 6 codes · tasnif.soliq.uz, data as of 14.10.2026
Updated:
In the MXIK (IKPU) classifier, class 10604 "Scientific research, development and engineering survey services" is part of group 106 "Professional services". As of 14.10.2026 it has 4 positions and 6 subpositions carrying 6 codes in total. That is 8.7% of all codes in the group.
The largest position is 10604002 "Geological research and surveys" with 3 codes (50% of the class). It is followed by 10604001 "Geophysical research and surveys" with 1. Every subposition of the class holds exactly one code. Other examples: "Geophysical research and surveys", "Geological research and surveys", "Geological exploration work", "Topographic services (all kinds)".
By number of codes the class ranks 4th of 12 in the group. Neighbouring classes: 10603 "Architectural services" (1 code) and 10605 "Marketing" (4 codes). For services and other transactions the operator builds codes on the catalogue's own groups and classes rather than on the customs nomenclature.
Codes in this class
| Code | Name | Copy code |
|---|---|---|
| 10604001 | Geophysical research and surveys1 code | |
| 10604001001 | Geophysical research and surveys1 code | |
| 10604002 | Geological research and surveys3 codes | |
| 10604002001 | Geological research and surveys1 code | |
| 10604002003 | Geological exploration work1 code | |
| 10604002009 | Topographic services (all kinds)1 code | |
| 10604003 | Hydrogeological research and surveys1 code | |
| 10604003001 | Hydrogeological research and surveys1 code | |
| 10604004 | Research and experimental development services1 code | |
| 10604004001 | Research and experimental development services1 code |
How to apply an MXIK code
- Find the subposition of your good or service: the first 11 digits are the group, class, position and subposition.
- Pick the 17-digit code on tasnif.soliq.uz: the last 6 digits are brand and attribute; goods without a barcode use "000000".
- Show this code in electronic invoices (ESF) and online cash register receipts, and for imports in the customs cargo declaration.
- Watch for changes on tasnif.soliq.uz: deleting or changing a code takes effect after 30 days.
- No suitable code? Send a request to the operator through your personal account (reviewed within 3 working days).
Help with MXIK codes in accounting and e-invoices
Leader Audit accountants can match MXIK codes to your product list, review invoices and receipts and set up your accounting in line with the code rules.
Accounting servicesFrequently asked questions
What is the MXIK (IKPU) code for "Geophysical research and surveys"?
The subposition "Geophysical research and surveys" has code 10604001001: group 106, class 10604, position 10604001 "Geophysical research and surveys". It covers one 17-digit MXIK code starting with these 11 digits. The exact 17-digit code is chosen on tasnif.soliq.uz.
What is the MXIK (IKPU) code for "Topographic services (all kinds)"?
The subposition "Topographic services (all kinds)" has code 10604002009: group 106, class 10604, position 10604002 "Geological research and surveys". It covers one 17-digit MXIK code starting with these 11 digits. The exact 17-digit code is chosen on tasnif.soliq.uz.
How many MXIK codes are in class 10604?
As of 14.10.2026, class 10604 "Scientific research, development and engineering survey services" has 4 positions, 6 subpositions and 6 codes. Every code in the class starts with 10604.
How does class 10604 differ from class 10605?
They are neighbouring classes of group 106. Class 10604 "Scientific research, development and engineering survey services" has 4 positions and 6 codes; class 10605 "Marketing" has 3 positions and 4 codes. The class is digits 4–5 of the MXIK code, so a wrong class changes the base code of the item.
Where must the MXIK code be shown?
Under the Regulation on the National Catalogue (Cabinet of Ministers Resolution No. 263 of 28 April 2025) the catalogue is used for electronic invoices, online cash register receipts and the customs cargo declaration (except goods imported for the first time). A code that does not match the base code (first 11 digits) can lead to a fine of 1% of the value under Article 223(5) of the Tax Code.
Sources
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