Check the date of expiry on the rating certificate within your licence.
The 12 hours require to be within the 12 months preceding the date of expiry. That will tell you if the 55 mins is allowable or not.
It is not the date of test that is important but the date of expiry of the rating.
Also if you do not meet the requirements for revalidation by experience you can revalidate by undertaking a proficiency check with an examiner within the three months preceding the date of expiry.
Not quite correct.
The 12 Month period ends on the day that you present your logbook to the examminer.
The Rating expires 2 October.
If the logbook etc is presented to the examminer on 1 August then the examminer will check for the experience in the 12 months ending 1 August.
If you present your logbook to the examminer tomorrow they will check for the experience in the last 12 months ending tomorrow.
The difference being that in the 1 August example your are in the 3 month window and the rating will be renewed for 2 Years from 2 October but if you do it tomorow then the new rating validity will be 2 years from tomorrow.
In simple terms;
2 October - when the rating expires unless renewed or revalidated
2 July - The earliest that you can go to an examminer to revalidate the rating by experience or by test and have the new period run from 2 October.
You can do it any time prior to 2 July but the 2 years will run from the day to do it.
Regards,
DFC