Русско-англо-русский юридический словарь

Any complaints relating to defects which cannot be discovered on the basis of a careful inspection upon receipt (hidden defects) shall be notified to FINPROJECT, by registered letter with return receipt, within 7 days from discovery of the defects and in any case no later than 3 months from delivery [...] (onecle.com)

All notices, requests, demands, instructions, certificates, documents or other communications under this Escrow Agreement shall be in writing and shall be given by registered mail with return receipt requested and postage prepaid, by telecopy (or like transmission) or by personal delivery to the parties at the following addresses: [...] (onecle.com)

Every notice relating to the Agreement shall be in writing and shall be given by registered mail with return receipt requested. (onecle.com)