All umpires must carry liability insurance. Two options are listed below:
National Association of Sports Officials (NASO)
More expensive, but more comprehensive coverage and a free subscription to Referee magazine.
National Federation of High Schools (NFHS) Officials Association
Scroll down towards the bottom of the page and click on the red icon that says “Apply Now”. This is the cheapest option.
Membership for the NFHS Officials Association is $35/year and includes the Officials Quarterly magazine and other benefits. Click here to read about NFHS’s insurance program.