My take on this order: it appears to be mostly rhetoric for public consumption, particularly of his political base. The most likely problem might come from the focus on H1-B visas – for highly skilled foreign workers – and the potential to disrupt certain industries, especially high tech companies. Otherwise, this is just bluster. It is more or less simply a call for review of policies and procedures in the executive branch and “strong language” to adhere to existing laws.
Official Title: Presidential Executive Order on Buy American and Hire American
Executive order dated April 14, 2017