12. Recognition may be applied for(1) at any time with regard to a group of resources attached to a public institution for which no association is recognized;
(2) 12 months after the date on which an association was recognized, if no group agreement has been reached and provided no dispute is under arbitration and no concerted pressure tactics permitted under this Act are being used;
(3) nine months after the date on which a group agreement expired, if a subsequent agreement has not been reached and provided no dispute is under arbitration and no concerted pressure tactics permitted under this Act are being used;
(4) from the ninetieth to the sixtieth day prior to the date of expiry or renewal of a group agreement whose term is three years or less; and
(5) from the one hundred and eightieth to the one hundred and fiftieth day prior to the expiry or renewal of a group agreement whose term is more than three years and, where such term so allows, during the period extending from the one hundred and eightieth to the one hundred and fiftieth day prior to the sixth anniversary of the signing or renewal of the group agreement and every second anniversary thereafter, except where such a period would end within 12 months of the one hundred and eightieth day prior to the expiry or renewal of the group agreement.