{"iri":"https://folio.openlegalstandard.org/Ra1YZ2HiyZdVfoMJAbRlOx","label":"inv_start_date","sub_class_of":["https://folio.openlegalstandard.org/RHfeijrOTjaF7qpuoGIGkR"],"parent_class_of":[],"is_defined_by":null,"see_also":[],"comment":null,"deprecated":false,"preferred_label":null,"alternative_labels":[],"translations":{},"hidden_label":null,"definition":"\"The starting date for the billing period.  \n\"","examples":[],"notes":[],"history_note":null,"editorial_note":null,"in_scheme":null,"identifier":null,"description":null,"source":null,"country":null}