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A user can create a new cooperative package if this function is enabled in the application configuration and possibly has the corresponding permission set. This is set by the administrator. Cooperative package can be created just like a standard ordinary package, i.e., using the Send Package function, while entering one or more contributors.
The elements in the view are mostly similar to the https://wikisonpo.atlassian.net/wiki/spaces/SPEN/pages/903087256/List+of+user+s+received+packages view, so the description there provides more details.