as at the closing date(The competition is open to students (in categories between the ages of 5 and 19 years of age as at the closing date of the competition) of any school in the ... | Applicants must, as at the closing date for receipt of applications, have a third level qualification in a relevant subject such as: Community ... Alexander Demidov)
as at the closing of(The Prizes will be transferred to the Competition Winner/s with clear title and free from any claims as at the closing of the Competition Period. Alexander Demidov)
as at the end of(Similarly, the entity does not update the amounts disclosed for the investments as at the end of the reporting period, although it may need to give. | social/behavioural development measured at primary school entry as well as at the end of Years l and 2 of primary school. Alexander Demidov)
as of this writing(и т.п. What does "as of this writing" mean? It means "so far," but it allows for the possibility that things could have changed between the time it was written and the time it was read. If you write in an email to a friend: "It looks like we'll have good weather – at least, that's how it looks as of this writing!" it means that so far, the weather has been fine, but it is not impossible that things could change before your friend gets to read it. Alexander Demidov)