USPS
AIM Foreign Mail Distribution
UPS Package Tracking
FedEx Package Tracking
https://www.washingtonpost.com/news/federal-eye/wp/2016/01/21/postal-reform-consensus-develops-5-day-delivery-dead/
http://www.prc.gov/docs/93/93564/Notice%20CP2016-9.pdf
This notice provides the Governors’ Decision establishing the changes, including a statement of explanation and justification, which orders the changes into effect on January 17, 2016.
A few highlights:
http://www.washingtonpost.com/blogs/federal-eye/wp/2015/08/26/the-mail-keeps-arriving-late-and-it-isnt-even-meeting-the-postal-services-lower-standards/
http://www.washingtonpost.com/blogs/federal-eye/wp/2015/06/06/usps-cant-keep-rate-increase-forever-court-rules/
USPS Latest Flat Mail Deflection Standards USPS Latest News Bulletin board USPS Tabbing Guidelines for booklets
TEST