3/ Other HH mail is the residual household First-Class Mail with the following major  financial statements, announcements/ meetings, notices of order, request for and confirmation of donations, tax forms, education acceptances, and insurance policies.
Insurance policies receive no special considerations when they are mailed.
mnli hypothesis: Insurance policies receive no special considerations when they are mailed. premise: 3/ Other HH mail is the residual household First-Class Mail with the following major  financial statements, announcements/ meetings, notices of order, request for and confirmation of donations, tax forms, education acceptances, and insurance policies.