OBS_VALUE: Insurers must retain at least 10% of the risks they have underwritten. For cessions superior to 90%, considering the totality of their operations per calendar year, insurers must submit a technical justification to SUSEP (the regulator) by 31 March of the following calendar year.Susep may authorize assignments in a percentage higher than that referred to in paragraph 3, prior to the end of the calendar year, provided that there is a technically justifiable reason.