Full ban on selling natural gas condensates and liquids to N.K.[3][2][4] Full ban on purchasing N.K. textiles (expected to reduce the country's revenues by $800 million).[3][2][4] A quota for selling oil to N.K. (an estimated 30% reduction on current levels).[3][2] Refined petroleum: 500,000 barrels during an initial period of three months — beginning on 1 October 2017 and ending on 31 December 2017 — and exceeding 2 million barrels per year during a period of 12 months beginning on 1 January 2018 and annually thereafter.[3][4] Crude oil: Limits sales to N.K. to not exceed the amount supplied by each State in the 12-month period prior to the adoption the resolution.[3] Limits visas to be provided by N.K. laborers overseas. Existing visas are allowed to continue until expired, but no new visas are allowed to be issued.[3][2] The U.S. estimates this will "eventually deny the regime another half billion dollars each year it takes from the nearly 100,000 North Korean citizens working around the world".[4] It asks all countries to inspect ships going in and out of North Korea's ports (a provision put in place by the Security Council in 2009) but does not authorize the use of force for ships that do not comply (the U.S. wanted authorization to use force and a full naval blockade).[2][4] If flag states refuse to allow inspections of suspicious vessels, then the flag state is required to redirect the vessels to a port for inspection.[4] If a flag state or vessel does not cooperate with inspections, then the vessel can be designated for an asset freeze, denied port access, de-registered, and suffer other penalties.[4] A ban to joint ventures. This is aimed at further reducing foreign income, as well as technology transfers.