Examples of such circumstances include the following:
a. a plan covering a sole proprietor with funding that continues past an expected retirement date with payment due in a lump sum;
b. using the aggregate actuarial cost method for a plan covering three employees, in which the principal is near retirement and the other employees are relatively young; and
c. a plan amendment with an amortization period so long that overall plan actuarially determined contributions would be scheduled to occur too late to make plan benefitpayments when due.
Congratulations! You're now Froogled Up™ on Section 3.18 from ASOP 4!
Feel free to use it throughout your financial/insurance life.