Definitions of legal capacity
the ability to enter into a legally binding contract (ie to be old enough, to have sufficient mental ability etc)
The 14-year-old girl lacked legal capacity to consent to sexual conduct and to marriage.
There are multiple definitions - click on the translation that matches your context.
Geschäftsfähigkeit means:
Substantiv
partial
noun
the ability to enter into a legally binding contract (ie to be old enough, to have sufficient mental ability etc)
The 14-year-old girl lacked legal capacity to consent to sexual conduct and to marriage.