Universal Postal Сonvention (Seoul…
“ Exception to the exemption of literature for the blind from postal charges 1 Notwithstanding article 7.4, the postal administrations of Saint Vincent and the Grenadines, and Turkey, which do not concede exemption from postal charges to literature for the blind in their internal service, may collect the postage and charges for special services which may not, however, exceed those in their internal service. ”
