# Recommendation D.193 (11/1988): Special tariff principles for privilege telecommunications

> recommendation/international standard from the International Telecommunication Union

**Wikidata**: [Q26985344](https://www.wikidata.org/wiki/Q26985344)  
**Source**: https://4ort.xyz/entity/recommendation-d-193-11-1988-special-tariff-principles-for-privilege-telecommunications