A per diem plan must be a qualified per diem plan in order for the per diem payments to be paid tax-free. Failure to properly administer a per diem plan that is intended to be qualified will have adverse tax implications for both employees and the employer.
A tracheoesophageal fistula (TEF, or TOF; see spelling differences) is an abnormal connection (fistula) between the esophagus and the trachea. TEF is a common congenital abnormality, but when occurring late in life is usually the sequela of surgical procedures such as a laryngectomy.
Managed Extensibility Framework (MEF) is a component of .NET Framework 4.0 aiming to create lightweight, extensible applications. It aims to allow .NET application developers to discover and use extensions with no configuration required.EF was introduced as a part of .NET 4.0 and Silverlight 4. Unsupported, pre-release versions of MEF are also available on CodePlex along with source code and can be used, albeit unsupported and with limitations, on version 3.5 of the framework.