I emailed Social Security in Costa Rica. I asked if they would be sending out the POL this year. Here is their reply.
Because of postal service interruptions around the world due to the COVID-19 pandemic, the Social Security Administration has suspended mailing of forms SSA 7161 and SSA 7162. SSA will not suspend your benefits if you have not completed and returned the forms in 2020. SSA will resume mailing the forms at a later date when conditions have changed.