It may be necessary to obtain approval to undertake the evaluation. Approval from different levels of government and local community officials and leaders may be necessary. Government regulations may also exist to guide the evaluation and should be identified and reviewed. Ensure that all the necessary permits, approvals and permissions are in place to conduct all the work required for the full duration of the evaluation. This includes approvals for research that includes human subject, such as informed consent and ensuring that individuals cannot be  identified in the research results. Not having the appropriate data collection permits could delay or cancel the work planned for the evaluation.