E520 Frequency

To specify a frequency and the time window in which it applies.

Position
Element
Name
Type
Requirement
Min
Max
Repeat
010
Frequency value
Numeric (N)
Mandatory
1
9
-
The number of repetitions in a given time.
020
Measurement unit code
String (AN)
Conditional
1
3
-
Code specifying the unit of measurement.
1 See UN/ECE Recommendation 20, common code.
030
Date or time or period value
String (AN)
Conditional
1
35
-
The value of a date, a date and time, a time or of a period in a specified representation.
040
Date or time or period format code
String (AN)
Conditional
1
3
-
Code specifying the representation of a date, time or period.

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