The On-Demand Web Subscription Service is a Human Resources Information System used for research of full-text government-wide statuses, regulations, and case studies. It contains a wealth of knowledge... The On-Demand Web Subscription Service is a Human Resources Information System used for research of full-text government-wide statuses, regulations, and case studies. It contains a wealth of knowledge including OPM, Department, and Agency level laws, rules, and regulations, used by OHR professionals to help make decisions on a day-to-day basis.