Excellent command of English, with a copy of your IELTS or TOEFL score* if you are a non-native speaker.

*IELTS: Academic English test with a minimum score of 7.0 overall and with no individual band less than 7.0
TOEFL iBT, with a minimum score of 94 (written score of 27 and no individual score lower than 24)
PTE: Overall score minimum of 65+, with writing skills of minimum 65 and no other communicative skill below 65