During the Korenizatsiya period, most of the autonomous republics of the USSR, including Yakut ASSR, were encouraged to create a flag to suit their national tradition.

Yakutia itself adopted a flag which depicted Aurora on its canton during this period.

[5] The flag is described in Article 109 of the constitution : The state flag of the Yakut Autonomous Soviet Socialist Republic is the national flag of the RSFSR, consisting of a red cloth, in the left corner of which at the top of the shaft, are placed the golden letters "RSFSR" in Russian and Yakut languages, with an additional inscription under the letters "RSFSR" of smaller letters — "SASSR", in Yakut language.On March 23, 1939, a new alphabet for the Yakut language was approved by a decree of the People's Commissar of Education of the Soviet Union.

The ratio of the width of the flag to the length of 1: 2.On January 20, 1956, the Decree of the Supreme Soviet of the Yakut ASSR approved the Regulations on the State Flag of the Yakut Autonomous Soviet Socialist Republic.

410, minor amendments were made to the instruction for the application of the Regulations on the State Flag of the Yakut ASSR.