On that same Wednesday, 70 countries will take advantage of one of FIFA's mandated dates for friendly or preparatory games around the world.
Thanks to the Uniform Time Act passed by U.S. Congress in 1966, states that observe daylight saving time must have it "begin and end on federally mandated dates".
The notion that testing chemicals on animals could be predictive of human responses and therefore should be legally mandated dates back to the 1930s, when the sulfa drugs were being introduced for infections.
Each instance since 1821 occurred because the constitutionally mandated date for the inauguration fell on a Sunday.
The Government cavalierly dismisses these mammoth turnouts as congregations of curiosity seekers otherwise deprived of public entertainment, and it refuses to hold elections before the constitutionally mandated date of 1990.
The purchases meant those players moved onto the Yankees' 40-man roster before the mandated date for a fair trial in spring training, and thus did not have to receive one.
And because Jan . 20 the constitutionally mandated date for the presidential swearing-in, falls on a Sunday this year, Mr. Obama will take his oath in private at the White House, and the public swearing-in ceremony and other events will be held on Jan . 21
This time there will be a twist: the constitutionally mandated date for the presidential swearing-in, Jan . 20 falls on a Sunday in 2013, so Chief Justice John G. Roberts Jr. will administer the oath to Mr. Obama privately that day at the White House, while the public ceremony, parade, and other events will be pushed back to Monday.
The 2013 inauguration will be the 57th in the nation's history, and it will come with a twist: Jan . 20 the constitutionally mandated date for the swearing-in, falls on a Sunday in 2013, so Mr. Obama will be sworn in during a private ceremony that day at the White House.
In fact, the president gets to choose who will swear him in, and Mr. Obama has selected the chief justice to deliver not one, but two, oaths to him: first in a small official ceremony at the White House at noon on Sunday, Jan . 20 the constitutionally mandated date and hour for the swearing-in, and again as part of the public inaugural festivities scheduled for Monday, Jan . 21
Indeed, this was the premise of the congressional mandate in the Food Quality Protection Act (1996) for the U.S. EPA to establish a new set of assays for endocrine-disrupting chemicals, although this process has been systematically delayed and is > 8 years behind the congressionally mandated date of 2000 to have these new assays validated.
