Im a tile subcontractor for a lager corp we have not worked for them over 12 months at this point. We are told after 12 months they will release our escrow ck that was 3/29/19 so technically due today .I just want to have the legality in what they owe as far as interest for last 12 months plus what the legality for them to pay at this point in NY How should I Proceed ? Im sending a letter of intent for retainage this week any other advice would be great. Thanks