The White House, located in Washington, D.C. , is the president's official residence and the center of the administration. Under the United States Constitution, the President of the United States is the head of state and head of government of the United States.As chief of the executive branch and face of the federal government as a whole, the presidency is the highest political office in the United States by influence and recognition.his list includes only those persons who were sworn into office as president following the ratification of the United States Constitution, which took effect on March 4, 1789. For American leaders before this ratification, see President of the Continental Congress.
The 48â maximum high side reach is also found in the USPS requirements where at least one tenant mailbox must be located less than 48â above the finished floor. The 15â lower limit is also found in the USPS requirements as the lowest position above the finished floor for the shelf surface of a parcel locker.
The maximum weight for a First-Class letter envelope, which is 3.5 ounces, according to the United States Post Office. There are also size and proportion requirements to consider when sending mail First-Class. Letter envelopes must be rectangular, and they must not exceed 11.5 inches in length or 6.125 inches in height.