The Trump White House on Tuesday gave President-elect Biden access to daily presidential intelligence briefings, a source familiar with the matter tells Axios.

Why it matters: Trump has refused to share the briefs until now, as he continues to challenge the result of the election and declines to concede. The president's acquiescence comes as another sign that the transition to a Biden administration is taking place.

• The Genera
• ing the transfer of power to formally begin.

Be smart: The President's Daily Brief is a summary of high-level national security intelligence issued to the president and certain Cabinet members by the Office of Director of National Intelligence.

• It "is typically one of the first rights of a presidential candidate after winning the election," writes CNN, which first reported the news.

What's new: Biden and Vice President-elect Kamala Harris will receive their first daily briefing on Nov. 30, transition official Jen Psaki told reporters on Wednesday.

Go deeper: Biden introduces top national security team