| ERTMS/ETCS functional requirements specification | – | 4.29 | Obligatorisk |
| ERTMS/ETCS functional statements | 99E5362 | 2.00 | Obligatorisk |
| ERTMS/ETCS system requirements specification | SUBSET-026 | 2.0.0 | Obligatorisk |
| Clarification and amendment specification | SUBSET-055 | 2.0.0 | Obligatorisk |
| ERTMS/ETCS SSRS Part 1: system macro functions overview | SUBSET-030 | 2.0.0 | Informativ |
| ERTMS/ETCS SSRS Part 2: onboard subsystem requirements specification | SUBSET-031 | 2.0.0 | Informativ |
| ERTMS/ETCS SSRS Part 3: trackside subsystem requirements specification | SUBSET-032 | 2.0.0 | Informativ |
| FFFIS for Eurobalise | SUBSET-036 | 2.0.0 | Obligatorisk |
| Description for the Euroloop subsystem | SUBSET-050 | 2.0.0 | Informativ |
| FFFS for Euroloop subsystem | SUBSET-043 | 2.0.0 | Obligatorisk |
| FFFIS 'AL' Euroloop subsystem | SUBSET-044 | 2.0.0 | Obligatorisk |
| FFFIS 'CL' Euroloop subsystem | SUBSET-045 | 2.0.0 | Obligatorisk |
| Euroradio FIS | SUBSET- | 037 2.0.0 | Obligatorisk |
| – Transmission of the MSISDN number to the application | 037_0022a | 29.3.2000 | Informativ |
| – Version upgrade | 037_0023a | 29.3.2000 | Informativ |
| Euroradio FFFIS class 1 requirements | SUBSET-052 | 2.0.0 | Obligatorisk |
| Radio infill FFFS | SUBSET-046 | 2.0.0 | Obligatorisk |
| FIS for the man-machine interface | SUBSET-033 | 2.0.0 | Obligatorisk |
| FIS for the train interface | SUBSET-034 | 2.0.0 | Obligatorisk |
| Trackside-trainborne FIS for radio infill | SUBSET-047 | 2.0.0 | Obligatorisk |
| Trainborne FFFIS for radio infill | SUBSET-048 | 2.0.0 | Obligatorisk |
| Radio infill FIS with LEU/interlocking | SUBSET-049 | 2.0.0 | Obligatorisk |
| Specific transmission module FFFIS | SUBSET-035 | 2.0.0 | Obligatorisk |
| STM FFFIS safe time layer | SUBSET-056 | 2.0.0 | Obligatorisk |
| STM FFFIS safe link layer | SUBSET-057 | 2.0.0 | Obligatorisk |
| FFFIS STM application layer supervision connection | SUBSET-058 | 0.0.1 | Informativ |
| Performance requirements for STMs | SUBSET-059 | 0.0.6 | Informativ |
| Key management FIS | SUBSET-038 | 2.0.0 | Obligatorisk |
| FIS key management second phase | SUBSET-051 | 2.0.0 | Informativ |
| Key management migration | SUBSET-060 | 1.1.1 | Informativ |
| FIS for RBC/RBC handover | SUBSET-039 | 2.0.0 | Obligatorisk |
| Dimensioning and engineering rules | SUBSET-040 | 2.0.0 | Obligatorisk |
| Performance requirements for interoperability | SUBSET-041 | 2.0.0 | Obligatorisk |
| FFFIS juridical recorder downloading tool | SUBSET-027 | 2.0.0 | Obligatorisk |
| Assignment of values to ETCS variables | SUBSET-054 | 2.0.0 | Obligatorisk |
| Glossary of terms and abbreviations | SUBSET-023 | 2.0.0 | Obligatorisk |
| Radio transmission FFFIS for Euroradio | A11 T600l 3 | 3 | Obligatorisk |
| ERTMS driver machine interface part I ergonomic arrangement of ERTMS/ETCS information | PrEN 50XX6-1 | Mars 2000 | Informativ |
| ERTMS driver machine interface part III data entry procedures | PrEN 50XX6-3 | Mars 2000 | Informativ |
| ERTMS driver machine interface part IV symbols | PrEN 50XX6-4 | Mars 2000 | Informativ |
| ERTMS driver machine interface part V audible information | PrEN 50XX6-5 | Mars 2000 | Informativ |
| ERTMS driver machine interface part VI specific transmission modules | PrEN 50XX6-6 | Mars 2000 | Informativ |
| RAM requirements (chapter 2 only) | 96S126 | 6 | Informativ |
| Environmental conditions | 97S066 | 5 | Informativ (*) |