This is the number of employees engaged to undertake rail safety work under an operator's accreditation. This includes volunteers, but excludes contractors doing work for you (where employed by another company). The number provided should be as on the last working day for the month, which could be on a weekend or the middle of the month for operators that do not run every day. It is not the sum of the month, just the number of workers on that day. If an operator does not conduct any operations for a month in a state/territory, then the number of rail safety workers should be reported as zero for that state/territory.