#  Type of reference dataset
codetable[1] typeOfReferenceDataset ('4.100.table',masterDir,localDir) = 255 : dump,edition_specific;

#  Type of relation to reference dataset
codetable[1] typeOfRelationToReferenceDataset ('4.101.table',masterDir,localDir) = 255 : dump,edition_specific;

# number of additional parameters
unsigned[1] numberOfAdditionalParametersForReferencePeriod=0 ;
additionalParameter list(numberOfAdditionalParametersForReferencePeriod)
{
  signed[1] scaleFactorOfAdditionalParameterForReferencePeriod;
  signed[4] scaledValueOfAdditionalParameterForReferencePeriod;
}

## Start of reference period

unsigned[2] yearOfStartOfReferencePeriod = missing() : edition_specific,can_be_missing;

unsigned[1] monthOfStartOfReferencePeriod = missing() : edition_specific,can_be_missing;

unsigned[1] dayOfStartOfReferencePeriod = missing() : edition_specific,can_be_missing;

unsigned[1] hourOfStartOfReferencePeriod = missing() : edition_specific,can_be_missing;

unsigned[1] minuteOfStartOfReferencePeriod = missing() : edition_specific,can_be_missing;

unsigned[1] secondOfStartOfReferencePeriod = missing() : edition_specific,can_be_missing;

meta startDateOfReferencePeriod g2date(yearOfStartOfReferencePeriod,monthOfStartOfReferencePeriod,dayOfStartOfReferencePeriod);

## End of reference period (defined as startDateOfReferencePeriod +  referencePeriodTimeIncrement * referencePeriodIndicatorOfUnitForTimeIncrement)

unsigned[4] sampleSizeOfReferencePeriod = 0;

#  n - number of time range specifications describing the time intervals used to calculate the statistically-processed field
unsigned[1]  numberOfReferencePeriodTimeRanges = 1 : edition_specific;
alias nref = numberOfReferencePeriodTimeRanges;

referencePeriodList list(numberOfReferencePeriodTimeRanges)
{
  # Type of statistical processing of reference period
  codetable[1] typeOfStatisticalProcessingForTimeRangeForReferencePeriod ('4.102.table',masterDir,localDir) = 255 : dump,edition_specific;

  # Indicator of unit of time for the increment between the successive fields used
  codetable[1]  indicatorOfUnitForTimeRangeForReferencePeriod ('4.4.table',masterDir,localDir)=255 ;

  # Length of reference period, in units defined by the previous octet [referencePeriodIndicatorOfUnitForTimeIncrement]
  unsigned[4] lengthOfTimeRangeForReferencePeriod=0 ;
}