Postal Explorer > International Mail Manual > 2 Conditions for Mailing > 270 Free Matter for the Blind or Other PhysicallyHandicapped Persons > 276 Customs Forms Required
As described in Exhibit 123.61, a fully completed PS Form 2976 or 2976-A must be affixed to each item. The known mailer exemption in IMM 123.62 does not apply to free matter for the blind or other physically handicapped persons.