Many cooperators are relatives, friends, colleagues and neighbors of the members of Opus Dei. The Salesians, Daughters and Cooperators gave supportive testimonies. Among the prominent cooperators are Stefanie Giesinger and Lena Gercke. These will be distributed to cooperators who are assisting in a formal, rigorous testing program. Punishment for cooperators were negligible under both conditions. Cooperators are not required to be celibate or to adhere to any other special requirements. Religious communities as a whole can also become cooperators of Opus Dei. Six municipal cooperators were also put under preventive arrest. There were 164,000 cooperators in the year 2005. The cooperators form networks that lead to prosperity. The idea appealed to the Government of India and eminent cooperators of the country. Such cooperators are not included in this list. Indeed, cooperators are not even required to be Christian. As in condominiums, cooperators pay a monthly fee for building upkeep.