CUSTOMER LETTER HEAD. CASHWEB USER & CASHIN CODE ADDITION / DELETION LETTER. To : HDFC Bank operations desk. Dear Sir / Madam ,. Subject:- User Addition/ ...Internet Banking Services and be read as Annexure and relates to Trade ... HDFC Bank will issue Letter of Credit/Guarantee/make payments for import/ ...Looking to expand your trade · Export Services · Import Services · Remittance services · Bank guarantees · Letters of Credit.