1.5 Effect of change in priority date

Certain time limits run from the date of priority, or in the case of multiple priorities, from the earliest date of priority. Where this date no longer applies (e.g. the right of priority is lost in accordance with the provisions of Art. 90(5)), any such time limits become determinable from the amended date of priority. This does not restore any loss of rights resulting from a time limit having already expired before the loss of priority date. Part A of the Guidelines deals with the procedure to be followed (see A‑III, 6.9 to 6.11).

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