The license of the photo is owned by the photographer. The photo is protected by the copyright law.
The orderer of the photo is contracted to use the photo only with the chosen way while ordering the photo. If there will be other use of the photo, the photographer has to be contacted for the price of the new use.
The orderer of the photo makes a commitment to destroy after use the one time right published photofile from the data system. Or place the file in the archives so that there is not any possibilities for further use.
The name of the photographer is to be published with using the photo.