Maybe my explanation was a bit too brief. CENELEC specifies the dow, but the Commission can assert a different date - the docoposs - which is what matters for establishing conformity.

If a standard has not been notified in the OJ, and therefore does not support regulation, the dow is just an instruction to national standards committees to withdraw any conflicting national standard. Manufacturers can, perhaps unwisely, continue to apply a standard beyond the dow date in the superseding standard.

Best wishes
John Woodgate OOO-Own Opinions Only
J M Woodgate and Associates www.woodjohn.uk
Rayleigh, Essex UK

On 2019-03-04 12:51, Scott Xe wrote:

Hi John,

Thanks for your clarification!  A lot of people will take the dow in EN standard as the deadline, especially the standard has not been put in OJEU or conflicts with OJEU.  EN standard is EN Norm.  What is wrong to take this approach?  Is there any official guidance to clarify it?

Regards,

Scott

*From:*John Woodgate <[email protected]>
*Sent:* Friday, 1 March 2019 12:43 AM
*To:* [email protected]
*Subject:* Re: [PSES] RoHS standard change...

Strictly speaking, transition periods are not specified in CENELEC standards, Instead, the mythical animal Docopocoss is specified (Date Of Cessation Of Presumption Of Conformity Of the Superseded Standard) is specified. Even more strictly, CENELEC specifies that, but the Commission can overrule it.

IEC standards sometimes include a recommended transition period in the Foreword (which no-one ever reads), but it's purely advisory.

Best wishes
John Woodgate OOO-Own Opinions Only
J M Woodgate and Associateswww.woodjohn.uk  <http://www.woodjohn.uk>
Rayleigh, Essex UK

On 2019-02-28 13:35, Matthew Wilson wrote:

    Thank you John, that is most helpful to know that transition
    periods run from the date of publication of the new standard.
    Don’t know why I didn’t actually have concrete knowledge of that
    but it makes sense.

    Matthew Wilson,

    Technical Director,

    GB Electronics (UK) Ltd.

    *From:*John Woodgate <[email protected]> <mailto:[email protected]>
    *Sent:* 27 February 2019 17:36
    *To:* Matthew Wilson <[email protected]>
    <mailto:[email protected]>;
    [email protected] <mailto:[email protected]>
    *Subject:* Re: [PSES] RoHS standard change...

    The site you mention has the answer:

    /In setting the necessary technical documentation requirements, EN
    IEC 63000 is *almost identical *to the text of EN 50581, even if
    any wording specific to the EU RoHS Directive has been removed: it
    aims at addressing different substance regulations worldwide while
    ensuring the same approach from manufacturers everywhere. The
    normative references of EN 50581:2012 were updated in EN IEC 63000
    in order to reflect the latest international development of
    analytical test methods and material declaration.

    EN 50581:2012 is a harmonised standard meaning that its
    application gives presumption of conformity with the requirements
    of the RoHS Directive. Considering that a large number of products
    on market are referring to it in their Declaration of
    Conformity,*a transition period of 5 years (60 months) *has been
    granted for manufacturers to adapt before EN IEC 63000:2018
    supersedes EN 50581:2012. In practice this means that during this
    transition period both standards will coexist, allowing the
    manufacturers to smoothly migrate to EN IEC 63000:2018. /

    Transition periods run from the date of publication of the new
    standard, so 50581 is presumably usable until 2023. But you would
    be well advised to look at the new standard well before then,
    maybe in 2021, in case the first edition has acquired any
    amendment or corrigendum.

    Best wishes

    John Woodgate OOO-Own Opinions Only

    J M Woodgate and Associateswww.woodjohn.uk  <http://www.woodjohn.uk>

    Rayleigh, Essex UK

    On 2019-02-27 16:59, Matthew Wilson wrote:

        I see that BSI now state that EN 50581:2012 is marked as
        Status : Superseded, Withdrawn
        https://shop.bsigroup.com/ProductDetail?pid=000000000030261478
        and states it is replaced by: BS EN IEC 63000:2018, Technical
        documentation for the assessment of electrical and electronic
        products with respect to the restriction of hazardous substances

        The harmonised list on the EU website still states 'EN
        50581:2012 Technical documentation for the assessment of
        electrical and electronic products with respect to the
        restriction of hazardous substances'

        
https://ec.europa.eu/growth/single-market/european-standards/harmonised-standards/restriction-of-hazardous-substances_en

        What one should I put in a declaration of conformity to be
        issued this week?  The product in question has been assessed
        for RoHS compliance using the principles and our copy of EN
        50581:2012.

        It appears the two are probably identical according to the
        link below and we've just missed there's going to be a change
        (it's hard for SME like us to keep abreast of all the changes
        and that before any Brexit implications! Anyone any hints on
        that?) although the article talks about 60 month transition
        period but not actually what the actual timescale is!

        https://www.cencenelec.eu/news/brief_news/Pages/TN-2019-009.aspx

        Thanks for any pointers.

        Regards,


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