with power of advancing at a discount all or any of the accruing rents, payments or incomes. gen.

[Serge1956]

Пожалуйста, помогите перевести.
with power of advancing at a discount all or any of the accruing rents, payments or incomes.

Выражение встречается в следующем контексте:
To act as administrator or manage the administration of government property, as well as the property of municipalities, public companies, foundations or private persons, either as stewards or receivers or tenants with power of advancing at a discount all or any of the accruing rents, payments or incomes.

Заранее спасибо