“The EFF was looking forward to working with him in the next term of the fifth democratic Parliament. May his soul rest in perfect peace,” said EFF spokesman Mbuyiseni Ndlozi.
Coetzee died on Friday. He was diagnosed with cancer several years ago.
He joined Parliament in 2002 as its deputy secretary after being secretary of the Gauteng legislature for a number of years. Coetzee was appointed secretary of Parliament in 2012.
Coetzee leaves behind his wife Bridgette, son Matthew, and mother.