Answers will vary wildly by corporation in my experience. As companies get bigger the levels of management grow and each level of manager and individual contri

Answers will vary wildly by corporation in my experience. As companies get bigger the levels of management grow and each level of manager and individual contributor may have different prior approval for specific expenses and specific categories of expenses. I believe your question should also ask for categories of spend that do not require additional approvals in addition to amounts of one time and reoccurring costs.