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§ 92.3 Mailings by National Offices and Intergovernmental Organizations - none Patent Cooperation Treaty
§ 92.3 Mailings by National Offices and Intergovernmental Organizations
Any document or letter emanating from or transmitted by a national Office or an intergovernmental organization and constituting an event from the date of which any time limit under the Treaty or these Regulations commences to run shall be sent by air mail, provided that surface mail may be used instead of air mail in cases where surface mail normally arrives at its destination within two days from mailing or where air mail service is not available.
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