Working Group Charter This working group aims to clarify the complementary relationship between TRUST Principles (TRUST) for digital repositories, certification processes, and metrics of other principal frameworks (e.g., FAIR, CARE, Desirable characteristics, Data Repository Attributes). TRUST is not a criterion for certification. Instead, it is the principles of how repositories can demonstrate their trustworthiness to users. The common framework in TRUST facilitates discussion and implementation of best practices within digital preservation. However, TRUST is not domain specific and requires further refinement to...