Executives anxiously awaiting guidance from the Securities and Exchange Commission on how to assess their internal control over financial reporting will apparently have to wait a while longer.

The SEC did last week issue a concept release, asking for comment on what should be included in whatever guidance it ultimately issues for companies struggling with Section 404 of the Sarbanes-Oxley Act. But the 28-page release runs long on questions—35 of them—and short on answers about what the final guidance might look like.