No documents are required for applying for a position unless otherwise stated in the job announcement.  You will need to fully complete the employment application, which includes employment history, education and training, special skills, references, and various information related to employment eligibility.
If you are selected for testing or an interview, copies of required certifications, registrations and/or licenses must be provided at that time.  Additionally, college transcripts are required prior the interview, if you want your post secondary courses/degrees to be considered in the selection process.