The treaty appears to remain valid although no official protocol to extend it was adopted in 1985.

In 2009, a protocol to the Charter (on the right to participate in the affairs of a local authority) was adopted.

A protocol to set up the Court of Justice was adopted in 2003, and entered into force in 2009.

Two optional protocols were adopted on 25 May 2000.

Treaties and protocols providing for the specific protection of certain sites in these regions have also been adopted.

In 1977, two more protocols were adopted.

Two new protocols, not related to a specific thematic area, have since been adopted:

In 2002, an additional protocol was adopted to this convention.

The protocol has been adopted by a number of domain name registries, such as: .

Additional protocols have been adopted from other standards bodies.