Following are the mandatory compliances for Limited Liability Partnership Firms under the provisions of the Limited Liability Partnership Act, 2008: 

Compliance Requirement Timeline
Form -11 (LLP Annual Return) On or before the 30th day of May every year.
Form-8 (Statement of Accounts and Solvency of LLP) On or before the 30th day of October every year.
DIR-3 KYC On or before the 30th day of September every year.