About 81 percent of HH-to-NHH mail contains some type of payment and is classified as bill/payment mail.
Nonhousehold mailing is primarily centered on business which isn't always the case when households are sending mail to other households.
mnli hypothesis: Nonhousehold mailing is primarily centered on business which isn't always the case when households are sending mail to other households. premise: About 81 percent of HH-to-NHH mail contains some type of payment and is classified as bill/payment mail.