There are multiple definitions - click on the translation that matches your context.
standing means:
Aktivlegitimation means:
Substantiv
partial
noun
To avoid confusion, we recommend using a more descriptive phrase "standing to sue" here, since this German term is often juxtaposed against "Passivlegimation", which is another form of standing that means "standing to be sued".
the right to say that you have a claim (to something) and to make that claim
The association may have standing to sue as the representative of its members.