Electronic data interchange for administration, commerce and transport (EDIFACT) - Application level syntax rules (Syntax version number: 4, Syntax release number: 2) - Part 10: Syntax service directories (ISO 9735-10:2014)— 147 стр.
Electronic fee collection - Information exchange between service provision and toll charging (ISO 12855:2015); English version EN ISO 12855:2015— 114 стр.