CERTIFICATION!!!! PDE Website Registration PDE Website PDE Log In PDE Website TIMS Website Certification Application Placeholder Letter? The State can take 4-6 weeks to process your certification application. To rectify this, we have a Placeholder Letter Request that explains to future employers that you met all requirements for teacher certification, and that the State is processing your application. Language in letter is directly from the State. To request a Placeholder Letter, please go totudent-academic-services/certification-and-testing