<?php // Taken from http://wordpress.org/support/topic/custom-taxonomies-conditional-tags ?>
<?php // in functions.php ?>
<?php
function has_person( $person, $_post = null ) {
if ( empty( $person ) )
return false;
if ( $_post )
$_post = get_post( $_post );
else
$_post =& $GLOBALS['post'];
if ( !$_post )
return false;
$r = is_object_in_term( $_post->ID, 'NAME-OF-TAXONOMY', $person );
if ( is_wp_error( $r ) )
return false;
return $r;
} ?>
<?php // where you want to display the conditional ?>
<?php if ( has_person( 'NAME-OF-CATEGORY' ) ){ ?>TEST<?php } ?>