Ban on using polls to lead BBC Brexit bulletins

In or out? As Britain prepares for a referendum on whether or not to leave the European Union, BBC journalists have been banned from using opinion polls as the lead story on their news bulletins.

YouGov poll tracker YouGov poll tracker (Screenshot:

They are also ordered not to commission their own opinion polls and to treat surveys of voter intention published by other sources with caution.The BBC Trust, appointed by the Queen on advice from the culture ministry, has issued these new guidelines.
Poll trackers such as YouGov show support for leaving the EU is rising.