-% my $cust_main = qsearchs({
-% 'table' => 'cust_main',
-% 'hashref' => { 'custnum' => $custnum },
-% 'extra_sql' => ' AND '. $FS::CurrentUser::CurrentUser->agentnums_sql,
-% });
+% my $cust_main = '';
+% if ( $custnum =~ /^(\d+)$/ and $1 <= 2147483647 ) {
+% $cust_main = qsearchs({
+% 'table' => 'cust_main',
+% 'hashref' => { 'custnum' => $1 },
+% 'extra_sql' => ' AND '. $FS::CurrentUser::CurrentUser->agentnums_sql,
+% });
+% }
+% if ( ! $cust_main ) {
+% $cust_main = qsearchs({
+% 'table' => 'cust_main',
+% 'hashref' => { 'agent_custid' => $custnum },
+% 'extra_sql' => ' AND '. $FS::CurrentUser::CurrentUser->agentnums_sql,
+% });
+% }