It says:
Successful completion of at least
18 credit units of transferable
university-level courses where English is the official language of instruction and examination is sufficient proof of proficiency2. The
post-secondary institution must declare English to be the primary language of instruction and examination throughout the institution, not just in select departments.
In Pakistan only a 4 years bachelor degree can have 18 transferable credits.
Abu Bakr said:
yes see the site of university of saskashwan. they mention in language proficiency that if your previous education instruction is english then no need IELTS.