This outline is based on the recognition that there will always be some individuals who are not comfortable sharing information about their substance use with others, particularly with housing providers, or whose use and harm reduction needs change in unpredictable ways. Individuals at the highest risk will be those who do not disclose their use and do not ask for information, supplies, or assistance. For this reason, it is most effective to assume that all residents may at some point require harm reduction services and to provide harm reduction services universally and in the most accessible ways possible.