With the exception of certificates unduly issued, and where a designation has been withdrawn, the certificates shall remain valid for a period of nine months in the following circumstances:
Cé is moite de na deimhnithe a eisíodh go míchuí, agus i gcás ina ndéanfar an t-ainmniú a a tharraingt siar, leanfaidh na deimhnithe de bheith bailí go ceann tréimhse naoi mí sna cúinsí seo a leanas: