Current state rules do not set maximum periods of time between well inspections or the number of wells assigned to any one inspector. (timesunion.com)
Each Canadian province may have different maximum periods before you may lose coverage from their health plans, so you need to investigate this in advance. (moneysense.ca)
The 28 - day limit was a compromise measure and doubled the previous maximum period of 14 days. (politics.co.uk)