Entry Level Science: Can I enter candidates who have completed a mix of R483 and Legacy R591 tasks? OCR Customer Support 15 January 2020 15:46 Updated Please contact the OCR Science Subject Advisor team for advice. Email email@example.com detailing exactly what candidates have completed and they will give you further advice on submission. Return to qualification page Related articles Entry Level Science: Can I co-teach Entry Level and GCSE (9-1) Combined Science? Entry Level Science: Where can I find the Can-do Tasks? Entry Level Science: Is there a textbook available? Comments 0 comments Article is closed for comments.