1. Paper correspondence to the Certification Body should be addressed as follows:

    The Center for Standardization and Certification


    National Research Institute

    Ul. Kolska 12

    01-045 Warsaw

    with the adnotation: (by hand)

    NOTE: Please, remember to make the adnotation "by hand", in order for the correspondence to be forwarded directly to the Certification Body without being opened first. In case of sensitive information being included, this form ensures the confidentiality of correspondence.


    Electronic correspondence should be sent to the address: standard (at)


    NOTE: Please contact us by e-mail to exchange the cryptographic keys for correspondence. Formal documents (applications, contracts) submitted electronically must be signed with a qualified electronic signature. We recommend encrypting documents containing sensitive information.