1 This implies that the other two sides are of equal length, and that the diagonals are of equal length. 2  An alternative definition is: a quadrilateral with an axis of symmetry bisecting one pair of opposite sides. 3  Trapezium (NAm.): no sides are parallel.
An enumeration date commonly refers to the official or control date set for a particular enumeration event such as a census. The official enumeration date may vary from one enumeration to the next. The enumeration date is a control function for collecting data over a broad space of time. All data collected is based on its validity as of a single date, no matter what date the information is taken within the enumeration period.
All incoming Vanderbilt House Staff need to obtain a National Provider Identifier (NPI) by July 1st. We strongly advise that you apply for the NPI number no later than April 15st to ensure that you receive a number before July 1st . A US issued Social Security Number (SSN) or US issued Individual Taxpayer Identification Number (ITIN) is usually required to obtain an NPI.