As usual, the start of 2016 has brought a flood of lateral partner announcements at big law firms across the country. Partners frequently time their moves for early in the year, once they’ve received their pay and year-end bonuses.

The lateral churn doesn’t just have firms juggling client business they’ve lost and gained. Amid the boom in lateral hiring, consultants say, they are seeing changes in how firms collect capital contributions from new partners—and how they return capital to those who leave.