The honor system didn't work. When they put in the SSN requirement, the number of children reported on tax returns dropped by 10% (from 77 million to 70 million

The honor system didn't work. When they put in the SSN requirement, the number of children reported on tax returns dropped by 10% (from 77 million to 70 million): http://articles.latimes.com/1989-12-11/local/me-33_1_exemptions http://articles.latimes.com/1989-12-11/local/me-33_1_exempti...