Q. Greetings. I’m working with the Knowledge Management team in an IT company, responsible for content management and development. My supervisor advised me to write only per, not as per in a sentence. Is it as per the Chicago Manual of Style? Please oblige me with your reply.
A. Although as per has long been considered redundant and a violation of good English (since per is Latin for “by means of” or “through”), it has also long been standard parlance, especially in business contexts. I would edit it out of more formal prose, however.