An unusually prolonged or complex illness, esp. one that causes severe organ dysfunction or threatens life. Catastrophic illnesses often make exceptional demands on patients, caregivers, families, and health care resources.
However, if your current mortgage lender has discounted your current mortgage loan balance, the mandatory waiting period after loan modification is 12 months from the effective date of the loan modification with a 12 months on time payment history which is reflected on your credit report.
It's the required trial period of the federal government's Home Affordable Modification program, and it may be a feature of other mortgage modifications as well. The typical trial period lasts three months and allows the loan servicer to test the borrower's ability to make the modified loan payment before finalizing the modification.