US Postage raised to 49 cents on Monday.
Domestic Parcel Post service was adopted in 1913, 25 years after the Post Office had agreed to
deliver international parcel post packages pursuant to the Universal Postal Union treaty and
various bilateral agreements with other nations.
Initially, there were no or few postal regulations
governing packages mailed by parcel post.
To construct a bank in Vernal, Utah, in 1916, a Salt Lake City Company ascertained
that the cheapest way to send 40 tons of bricks to the building was by parcel post.
Each brick was individually wrapped and mailed.
Postal rules were promptly rewritten.
Bulk postal rates were restructured in 1996: