By way of derogation from Article 13(1), a manufacturer may decide not to undergo the applicable assessment and verification of the product’s compliance with applicable product requirements and not to draw up a declaration of performance and conformity when any of the following applies:
| (a) | the product is individually manufactured or custom-made and fulfils all of the following conditions: | (i) | it is manufactured using a non-series process |
| (ii) | it is produced in response to a specific order | ||
| (iii) | it is installed in a single identified construction work by a manufacturer who is also responsible for the safe incorporation of the product into the construction work; and | ||
| (iv) | it is in compliance with the applicable national rules, and under the supervision of those responsible for the safe execution of the construction works designated under the applicable national rules | ||
| (b) | the product is manufactured in a manner exclusively appropriate to heritage conservation and in a non-series process for adequately renovating construction works officially protected as part of a designated environment or because of their special architectural or historic merit, in compliance with the applicable national rules. |