No. Depending on where a project is in its lifecycle, it may not have begun to use the new standard process, or it may even be impossible for the project to use the new standard process. For example, if a project completes the design phase before the new standard process was introduced, there will be no experience (or artifacts) reflecting use of these new standard processes. Similarly, once a new process is established, a project is not expected to redo prior work using the new process; however, new work done after the establishment of the new process would normally be expected to follow it.
The sample of projects selected for examination during an appraisal should be representative of that organization. Therefore, one or more projects may not have made full use of the new standard processes. Rather than investigate these, and report on both new and older projects in the appraisal results, it may make more sense to define the scope of the organization that is the focus of the appraisal (the "organizational unit") and to exclude older projects, particularly if they represent an older line of business. These decisions must be documented in the Appraisal Input and Appraisal Disclosure Statement.
In any case, it would be reasonable to expect over time that most projects will eventually use the new standard processes. The appraisal team should account for risks it sees as inherent in the appraisal situation.