According to latest ISU rules and communications (ISU communications 1886, 1932, 1936, 1937), and younger 2 pattern dances: 
Foxtrot
American waltz 
Free dance 2 min., 30 sec., +/- 10 sec.

Advanced Novice

According to latest ISU rules and communications (ISU communications 1886, 1932, 1936, 1937) 2 pattern dances: 
Blues
Kilian 
Free dance 3 min., +/- 10 sec.

Junior

In accordance with ISU Technical Rules Ice Dance 2016, Rule 709. Rhythms, required elements and guidelines are those listed in ISU Communications 1998, 2003 and subsequent updates.
Short Dance 2:50 min., +/- 10 sec.
In accordance with ISU Technical Rules Ice Dance 2016, Rule 710. The required elements to be skated are those listed in ISU Communication 1998, 2003 and subsequent updates.
Free dance 3 min., 30 sec., +/- 10 sec.

Senior

In accordance with ISU Technical Rules Ice Dance 2016, Rule 709. Rhythms, required elements and guidelines are those listed in ISU Communications 1998, 2003 and subsequent updates.
Short Dance 2:50 min., +/- 10 sec.
In accordance with ISU Technical Rules Ice Dance 2016, Rule 710. The required elements to be skated are those listed in ISU Communication 1998, 2003 and subsequent updates.
Free dance 4 min., +/- 10 sec.