1. affiliation
their name and affiliation
An affiliation is an official connection to something. To have an affiliation to something is to be affiliated with it.
For a time, he even gave up his Democratic affiliation.
2. accession
accession of new member states
a year after Justinian's accession
1926 was the year of Emperor Hirohito's accession to the throne. Poland's accession to the EU. The access of the land took the army less than a week.
It seems it was a gift for the 50th anniversary of Queen Elizabeth's accession to the throne.
Inglese parola "присоединение"(accession) si verifica in set:
Public law 1. The Concept and sources