An interval maximum allowable if a business disruption (such as hours, days, etc.) if it exceeds it will result in an unacceptable business of excise in the overview.
If the maximum acceptable period of business interruption (eg, hours, days, etc.) than it is unacceptable impact on the business of the Department as a whole.
The maximum acceptable if business interruption (such as an hour, a day, etc.). If more than that will impact the unacceptable to the business of Finance overall.