> Quality of service

	The documents and model forms concerning the UPU quality tests are given below.     Operational Guide for continuous testing English version  708kB Arabic version 25.9MB Portuguese version  732kB Russian version  800kB Spanish version  710kB   Model forms used in continuous testing Registering posted letters  128kB Registering received letters  138kB Replacing panelists  70kB Ordering test materials  75kB Model forms in Arabic Model forms in Portuguese Model forms in Russian Model forms in Spanish   Randomly generated plan Excel tool  104kB   Operational Web sites for the continuous testing Recording of sent items  Recording of received items  Access to results  Information about panelists

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