[Who owns the source file of a book cover gig?]

Thanks to all for the input. I will ask the seller what the situation is with the source file. 

[Who owns the source file of a book cover gig?]

I have requested a gig form a book cover designer, and they state, in their gig info, that the "Source File" is available in the deal. I take it, that it means I will own the source file 100%, once everything id done, is that so? If yes, on receiving the source file, I can then use it for another of my book covers, without needing to ask the cover designer of the source file, whether I can use it or not, without any legal recourse. Is that correct?