Check receipt and allocation
Ask the provider to confirm receipt and allocation to the correct account and tax year. A transfer instruction is not the fund’s annual tax statement.

Keep the evidence
Retain the transfer confirmation and tax contribution statement. Resolve discrepancies early. Do not assume a later deposit can be assigned to the previous year; any exception needs a proper basis and review.
Keep exploring
Sources and further information
General information, not a substitute for individual advice. Earlier-year sources explain principles only; their annual amounts and deadlines have not been carried forward.