Complex sentence: To be counted, an individual must be a "publisher", and report some amount of time in the ministry, normally at least an hour per month, or as little as 15 minutes under certain circumstances, such as chronic and debilitating illness.
Split into simpler sentences: To be counted, an individual must be a "publisher", and report some amount of time in the ministry, normally at least an hour per month. It may be as little as 15 minutes under certain circumstances, such as chronic and debilitating illness.