The document discusses 21 common reasons for rejection of Competency Demonstration Reports (CDRs) submitted to Engineers Australia for assessment of skills for Australian immigration. Key reasons include ignoring EA guidelines, lack of required information, exceeding word limits, technical detail, plagiarism, inaccurate information, unclear structure, and failure to follow formatting rules. It emphasizes ensuring the CDR accurately reflects the applicant's qualifications and experience according to EA requirements to avoid rejection.