[Vocabulary] difference between as per and according to

[babybell2016]

"according to the contract requirement" and "as per the contract requirement", which is suitable?

 

[Roman55]

They don't have the same meaning. The suitability depends on the context.

 

[tedmc]

They mean the same to me and from the dictionaries just that the former sounds more formal.

 

[Roman55]

Which dictionaries?
One of them means according to, and the other means in accordance with. There is a difference, and they are not necessarily interchangeable, hence the need for context.