The Division shall maintain in each district office a public docket or other record in which it shall record from time to time as made:
1. The rulings or decisions upon all complaints filed with that district office.
2. All investigations instituted by that district office in the first instance, upon or in connection with which any hearing has been held, or in which the licensee charged has made no defense.
3. Denials of applications made to that district office for examination or licensing.