An account owner must take the first RMD for the year in which he or she turns 70 ½. However, the first RMD payment can be delayed until April 1st of the year following the year in which he or she turns 70 ½. For all subsequent years, including the year in which the first RMD was paid by April 1st, the account owner must take the RMD by December 31st of the year.