What does the cryptic crossword clue "Anyway, it's where Customs may look (2,3,4)" mean?

The definition is "Anyway, it's where Customs may look". The wordplay uses a double definition. Double definition The answer is INANYCASE.

Anyway, it's where Customs may look (2,3,4)

Guardian Cryptic #26837 | 13 Across | 2016-03-21 flower