Here are all my settings for my main level.
Initial Payment: $67
Recurring Subscription: Is Checked
Billing Amount: $67 Per 1 Month(s)
Billing Cycle Limit: 0
Custom Trial: Not Checked
Disable New Signups: Not Checked
Membership Expiration: Not Checked
I’m also using the Register Helper Add On and have some customizations, but nothing that would appear to impact the trial or authorize code.