As a mark of respect for the memory and long-standing service of Sen. Robert C. Byrd, President Obama has ordered that the United States flag be displayed at half-staff through July 3, returned to full staff on July 4, and back to half-staff until sunset on the day of Byrd's interment, July 6.
The full text of the proclamation can be found here [2].
Links:
[1] http://www.legion.org/print/83953
[2] http://www.whitehouse.gov/the-press-office/presidential-proclamation-passing-robert-byrd
[3] http://www.legion.org/flag/47285/pause-pledge-set-monday
[4] http://www.legion.org/flag/47185/celebrate-flag-day-protecting-old-glory
[5] http://www.legion.org/user
[6] http://www.legion.org/user/register
