Well, each home owner should be able to set up a recurring payment with their bank. That’ll help the six that pay. The other two, , just late fee them until they get it.
Have the board figure out what the max late fee is and levy it. With an assessment of $350, I’m guessing around $35 or $50. Should be enough to get noticed after a couple.
We had problems with one of the rental condos where the assessment would show up in the mailbox and be due within like two days. It was always late so we created a scheduled auto bill pay on our account at the bank. Each homeowner can automated their own bill pay,