Employer Forms

Employer Forms and Documents

Forms Related to TRS Members and ICs

New Hire Procedure for Employers – to determine whether a new employee is already a TRS member

Handout for new TRS members – for distribution by employer

TRS Form 106, Membership Election for Substitute Teacher or PT Aide/Para

  • Note: Form 106 may not be used for other short-term employees (e.g., coaches) or for employees who have contributions on account with TRS. For guidance, read the Fact Sheet linked below.

See also

Form required for employment of a regular working retiree:

Form 146, Retired Member's and Employer's Notice of Postretirement Employment 


Forms for retirees reemployed under "emergency hire" provisions in TRS law:


Contact TRS Administration to obtain forms for reemployment with OPI:
Form 148-EE, Retired Member App. for Employment with OPI Pursuant to 19-20-735 MCA
Form 148-ER, OPI Certification to Employ a Retired Member Pursuant to 19-20-735 MCA

TRS System Access Forms

If the employer's current "Online Administrator" (OA) for TRS reporting has left employment (or if a new OA must be designated for another reason), Form 141 must be completed and submitted to TRS. Please visit the Employer Reporting page and read the Requesting Access to TRS Systems section to determine whether Form 141 is required.

Form 141, Employer Designation of Administrator for Online Employer Reporting Systems 

  • NOTE: If Form 141 is required and the employer marks the TRS Insurance Deduction System box, then Form 141A (Employer Insurance Deduction System Contact Information) must also be submitted. To obtain Form 141A, call the TRS Retired Payroll team at 406.444.2912.