- At the Federal level, some 20% of healthcare.gov users, about 800,000 people, have been sent invalid 1095-A forms. Statement from the Federal Centers for Medicare & Medicaid Services (CMS). Corrected forms will be sent. People who filed based on the invalid forms will be contacted by "the Treasury," likely the IRS. If you have a healthcare.gov account, log in to it to find out if you have been affected.
- California has not yet issued a statement. The LA Times reports that 100,000 incorrect forms have been sent. According to that report, corrected forms will be sent out soon.
The best practical coverage I have seen so far (but what do I do?) comes from Kelly Philips—"taxgirl" (girl?)—at the anti-Obamacare Forbes. She promises updates.
Myself, I think that the miserly nature and complexity of the ACA made some screw-up likely. It's not the liberals who want a bureaucratic state. It's the conservatives and the libertarians, who want each penny accounted for, for fear that some undeserving person might have picked one up.