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.
The NPI is a ten-digit number, which must be used on HIPAA standard electronic transactions, such as claims, to identify a provider. The Centers for Medicare and Medicaid Services (CMS) has developed the. to identify providers and assign NPIs. To apply for an NPI go to https://nppes.cms.hhs.gov/NPPES/Welcome.do.