sentences:  The Cole memo was only a non-binding set of guidelines for federal prosecutors, however, and therefore did not carry the force of law.Although the Cole memo was adhered to by federal prosecutors, members of Congress sought the assurances that a legally binding act of legislation could provide.The McClintock–Polis amendment was hence introduced in the U.S. House (as an attachment to the Commerce, Justice, and Science appropriations bill for fiscal year 2016) to prohibit the Justice Department from spending funds to interfere with the implementation of state cannabis laws (regarding both recreational and medical use).