Hedge fund lawyers and administrators are busy helping managers of offshore funds comply with stricter anti-money-laundering regulations in the Cayman Islands.The new rules, finalized last month, apply to established funds starting on Oct. 1. But they take effect immediately for any funds launched between June 1 and Sept. 30.“There’s a bit of a scramble,” said Dan Viola, a partner in the hedge fund practice at law firm Sadis &...