sources 81-102 tax exclude children

$sources_ni_81-102_tax_query = array(
	'relation' => 'AND',
	array(
		'taxonomy'         => 'sources',
		'terms'            => 'national-instrument-81-102-investment-funds',
		'field'            => 'slug',
		'operator'         => 'IN',
		'include_children' => false,
	),
);