IV

IV is the abbreviation for:

Private transport, a common abbreviation in transport planning
Industry, Austrian advocacy of industrialists in Austria
Information processing, see data processing
Initialization vector for encryption in CBC mode
Centre Back in sport
Internal management, see Public Administration
Instrument variable in the statistics
Integrated care
Disability Insurance ( Liechtenstein ) in the Principality of Liechtenstein
Disability Insurance ( Switzerland ) in Switzerland
Glazing, colloquially mistaken for heat insulation glazing, see Insulating glass
VG Airlines, used IATA code of the former Belgian airline
The post code area Inverness ( as the initial character of a postal code in the United Kingdom)

IV also stands for:

Py is the abbreviation for:

In authority ( in correspondence), see power of attorney, power of attorney
In representation, in reference to " full power ", see Representation ( Germany )

V. i is the abbreviation for:

Intravenously administered directly into the medicine into the bloodstream drugs