Ordering principle

The following is referred to as the ordering principle:

• Orderer principle (real estate industry) , a new legal regulation that came into force in Germany in 2015 on commissions in the real estate industry.
• Ordering principle (local transport) , the procedure introduced in Germany since the regionalization in 1996, according to which local public transport authorities order local transport services from transport companies.

This is a disambiguation page for differentiating between several terms identified with the same word.