'invoice_terms', 'varchar', 'NULL', $char_d, '', '',
#customer balance info at invoice generation time
+ #(deprecated)
'previous_balance', @money_typen, '', '', #eventually not nullable
'billing_balance', @money_typen, '', '', #eventually not nullable
=back
-Customer info at invoice generation time
+Deprecated fields
=over 4
-=item billing_balance - the customer's balance at the time the invoice was
-generated (not including charges on this invoice)
+=item billing_balance - the customer's balance immediately before generating
+this invoice. DEPRECATED. Use the L<FS::cust_main/balance_date> method
+to determine the customer's balance at a specific time.
-=item previous_balance - the billing_balance of this customer's previous
-invoice plus the charges on that invoice
+=item previous_balance - the customer's balance immediately after generating
+the invoice before this one. DEPRECATED.
-=back
-
-Deprecated
-
-=over 4
-
-=item printed - deprecated
+=item printed - formerly used to track the number of times an invoice had
+been printed; no longer used.
=back
L<Date::Parse> for conversion functions. The empty string can be passed
to disable that time constraint completely.
-Available options are:
+Accepts the same options as L<balance_date_sql>:
=over 4
set to true to disregard unapplied credits, payments and refunds outside the specified time period - by default the time period restriction only applies to invoices (useful for reporting, probably a bad idea for event triggering)
+=item cutoff
+
+An absolute cutoff time. Payments, credits, and refunds I<applied> after this
+time will be ignored. Note that START_TIME and END_TIME only limit the date
+range for invoices and I<unapplied> payments, credits, and refunds.
+
=back
=cut