'relates to whether' is correct and usable in written English.
You can use it to refer to a situation that involves a choice between two possibilities. For example: "The final decision relates to whether we should invest in new equipment or hire additional staff."
The key issue relates to whether we can further maximise the oral health of populations with the resources currently available to local NHS commissioning organisations.
The type of appointment relates to whether it is an emergency or a non-emergency, and more specifically appointments for preventive, periodontic, oral surgery or restorative care.
Benevolence relates to the how caring and moral people are in society and competence relates to whether people are skilled and/or capable.
This relates to whether Hunt and Kershaw had met procedural requirements on the proposed structural changes, including consultation and the approval of local GPs.
The biggest regulatory issue relates to whether the combined company will allow more than one high-speed Internet service to use its cable television systems.
"Resolutely punishing and effectively preventing corruption relates to whether the people support you or not and to the Party's life-and-death survival," said the document.
A final issue relates to whether geovisualization developments are motivated by known requirements, the need for solutions or developing possibilities, and the desire to explore and apply them.
The second dimensions relates to whether weighted model counting is performed using a search algorithm on the CNF, or by compiling the CNF into a structure that renders WMC a polytime operation in the size of the compiled structure.
In late 2010 he was a contact on the issue of "net neutrality", which relates to whether internet service providers can block certain content, a major concern to News Corp.
"This all relates to whether the provision of information per se, in a country which is at least a signatory to the European conventions on free speech, is anyway a breach of assisted suicide laws," he told the Independent.
The agency's focus on the S.U.V.'s relates to whether the power-steering return hose is failing, allowing power-steering fluid to leak into the engine compartment where contact with a hot surface could cause a fire.
