[ 'required', ], 'time_zone' => [ 'required', ], 'language' => [ 'required', ], 'fiscal_year' => [ 'required', ], 'moment_date_format' => [ 'required', ], 'carbon_date_format' => [ 'required', ], 'moment_time_format' => [ 'required', ], 'carbon_time_format' => [ 'required', ], 'invoice_use_time' => [ 'required', ], ]; } }