287(1)No forfeiture or suspension is incurred by reason of any default in paying a contribution or assessment, except such as are payable in fixed sums and at fixed dates, until after notice to the member stating the amount due by him and that in case of default of payment within a reasonable time, not less than thirty days, to the proper officer to be named in the notice, his interest or benefit will be forfeited or suspended, and default has been made by him in paying any contribution or assessment in accordance with the notice.