Artikel IV

1. Where tax has been levied at source in excess of the amount of tax chargeable under the provisions of Articles 10, 11 or 12, applications for the refund of the excess amount of tax have to be lodged with the competent authority of the State having levied the tax, within a period of three years after the expiration of the calendar year in which the tax has been levied.
2. If after the signature of this Convention under any Convention or Agreement between India and a third State which is a member of the OECD India should limit its taxation at source on dividends, interest, royalties, fees for technical services or payments for the use of equipment to a rate lower or a scope more restricted than the rate or scope provided for in this Convention on the said items of income, then, as from the date on which the relevant India Convention or Agreement enters into force the same rate or scope as provided for in that Convention or Agreement on the said items of income shall also apply under this Convention.