https://www.reuters.com/article/us-usa-trade-huawei/u-s-government-contractors-to-get-first-look-at-huawei-ban-today-idUSKCN1UX1TF >The White House Office of Management and Budget is slated on Wednesday to release an interim rule for a ban on federal purchases of telecommunications equipment from five Chinese companies, including Huawei, a senior administration official said.