; (6) the United Nations procurement operations throughout Syria should abide by its own United Nations Supplier Code of Conduct, which states that suppliers to the United Nations must ensure that they are not complicit in human rights abuses ; and (7) the United States will continue providing humanitarian assistance to Syria while also continuing its efforts to facilitate a negotiated political transition from the Assad regime, in accordance with its commitment in United Nations Security Council Resolution 2254. 4. Certification (a) In general Not later than 180 days after the date of the enactment of this Act, the Secretary of State shall certify to the appropriate congressional committees whether United Nations agency programming, including any program or project, in Syria funded in whole or in part by the United States— (1) is delivered impartially, without hindrance, to the areas of greatest need; (2) does not directly materially support the Syrian government or entities owned or controlled by the Syrian government, Syrian government officials, their immediate families, or entities under their direction; (3) does not directly materially support associated forces of the Syrian government or entities under their direction; (4) adheres to the United Nations Supplier Code of Conduct, which states that the United Nations must not support, directly or indirectly, other entities and individuals involved in human rights abuses, and which requires United Nations agencies to secure guarantees from suppliers that they are not complicit in human rights abuses