http://fadyart.com/financeV4#PowerArrangement
Class 'Arrangement of persons with limited powers.'

This is a reflexive property but it cannot be set in TopBraid composer

owl:Class

Limited powers which are exercised by a person or a group of persons. These powers can involve representation powers or proxies.

Arrangement of persons with limited powers.

Individual person

Anything that has at least one joined power holder that is an Individual person or has true as one of its restricted capacities or

References
as rdfs:domain (min number of signatures, has joined power holder)