For så vidt angår ETCS bør installationsforberedelsesomfanget i de tre installationsforberedelsesfaser, som defineres i afsnit 7.2.2.4.4, overholde kravene i indeks 57 i bilag A (under drøftelse).
For ETCS the scope of the pre-fitting for the three-tiered structure of pre-fitment stages defined in paragraph 7.2.2.4.4 should adhere with the requirements set out in Index 57 of Annex A (pending).