Period for surrender of realised foreign exchange requires non resident entities to sell such foreign exchange promptly to authorised persons. Regulation 5 requires a person other than an individual resident in India to sell realised foreign exchange to an authorised person under regulation 4(a). Amounts arising as remuneration, settlement of lawful obligations, income on assets held outside India, inheritance, settlement or gift must be sold within a short prescribed period from receipt; all other realised foreign exchange must be sold within a longer prescribed period from receipt, mandating timely conversion and surrender to authorised persons.