For exemptions to the Technical Instructions the following authority should be contacted for all classes:

• Luftfahrt-Bundesamt
  Außenstelle Frankfurt
  Sachgebiet Gefahrgut
  Kelstarbacher Str. 23
  65479 Raunheim

• Telephone: +49 531 2355 3302
  Facsimile: +49 531 2355 3398