Hello Melanie,  
Let me know if something like this works for you.  The advantage as I see it would that you wouldn’t need to fill out the referral form.  On the other hand your client could choose the wrong course.  I can provide you with the html code.

Alcohol Misuse and Addiction
Alcohol Misuse and Addiction - DOT | 4 Hours Alcohol Misuse and Addiction - DOT | 8 Hours Alcohol Misuse and Addiction - DOT | 6 Hours
Cannabis – THC, CBD, Synthetics
Cannabis – THC, CBD, Synthetics – DOT | 4 Hours Cannabis – THC, CBD, Synthetics – DOT | 6 Hours Cannabis – THC, CBD, Synthetics - DOT | 8 Hours
Substance Abuse Education
Substance Abuse Education - DOT | 4 Hours Substance Abuse Education - DOT | 6 Hours Substance Abuse Education - DOT | 8 Hours Substance Abuse Education - DOT | 10 Hours Substance Abuse Education - DOT | 12 Hours Substance Abuse Education - DOT | 16 Hours Substance Abuse Education - DOT | 20 Hours Substance Abuse Education - DOT | 24 Hours
Other Courses
Employee Handbook with Tips - DOT Stimulants - 6 Hours