Without reading the entire document you are getting this line from our answers may be out of context and could be wrong. But in this situation, salaries would not be included.
Essentially this means that if you go to Office Depot and buy a box of envelopes for $15.00 which is under the $300.00 mentioned. But if you want to buy a copier for say, $500.00 approval must be approved by the church in conference.