allow_new_purchase_invoice => { type => 'boolean', default => 'true', not_null => 1 },
allow_sales_invoice_from_sales_order => { type => 'boolean', default => 'true', not_null => 1 },
allow_sales_invoice_from_sales_quotation => { type => 'boolean', default => 'true', not_null => 1 },
allow_new_purchase_invoice => { type => 'boolean', default => 'true', not_null => 1 },
allow_sales_invoice_from_sales_order => { type => 'boolean', default => 'true', not_null => 1 },
allow_sales_invoice_from_sales_quotation => { type => 'boolean', default => 'true', not_null => 1 },