To dispute a debt, you must write a letter to the debt-collection agency within 30 days of their initial contact with you. Whether you are a debtor or a creditor, it doesn't make sense to ignore a debt.At The Nathanson Law Firm LLP, our debt collection attorneys assist clients in New York and nationwide in the collection of both retail and commercial debts. Protection that matters. Consult with Our Expert Lawyers on Debt Collection. Easy to connect our debt Negotiation Lawyer for Brooklyn , Suffolk and Nassau Counties, NY. We offer a full suite of retail banking products, services and financial solutions for consumers and small businesses. Skip to Main Content. Intheblanks form required for any matter originating and electronically filed in Supreme or Surrogate's Courts in Richmond County. If you do not have insurance or another way to pay, please call our Financial Assistance counselors at (516) 632-3979.