What does the cryptic crossword clue "A refund from the government, after you submit this? (3,6)" mean?

The wordplay uses a hidden word. TAX (synonym="TAX") + RETURN (synonym="RETURN") = TAXRETURN The answer is TAXRETURN.

A refund from the government, after you submit this? (3,6)

Guardian Cryptic #29459 | 17 Across | 2024-08-12 flower