"labour commitments" is correct and usable in written English.
It can be used to refer to commitments related to work and/or labor, such as promises to hire or retain workers. For example, "The company is making labour commitments to its employees to ensure job security."
GMB hopes this will be a Labour commitment for the next election.
Ed Miliband at the Labour conference promised to abolish the bedroom tax, the one solid Labour commitment to reverse the government's welfare cuts.
Senior union officials are also demanding that any changes include a Labour commitment to reform the law governing the way in which companies and individuals donate to the Tory party.
A further spending item of £63m to bring back some abolished cycling initiatives appeared to be based merely on a Labour commitment to "take steps to promote cycling by making it safer and more accessible".
Cameron's announcements at prime ministers questions follows weeks in which Ministers have groped for a coherent response to the Labour commitment to freeze energy prices for 20 months.
But this time the Labour commitment to devolution seems not just to be a politically correct add-on, but central to the party's analysis of what is wrong with the economy.
"The Tories [are] also failing to match Labour's commitments on health, education and policing.
On immigration, she renewed Labour's commitments to outlaw agencies who recruit only abroad and increase fines for employing people here illegally.
The Tories, meanwhile, recently published a "dossier" of unfunded Labour spending commitments stuffed with inaccuracies, just to provoke the opposition into saying what it would or wouldn't cut.
Take for example Labour's commitment to a referendum on reform of the electoral system.
