However, the payments for services of one spouse employed by another in other than a trade or business, such as domestic service in a private home, are not subject to social security, Medicare, and FUTA taxes.taxmap/pubs/p15-005.htm#en_us_publink100011612Covered services of a child or spouse.(p10)The wages for the services of a child or spouse are subject to income tax withholding as well as socia