To alter the Federal share of certain disaster assistance provided with respect to Puerto Rico in connection with Hurricanes Irma and Maria, and for other purposes.

Continuing Our Mission in Puerto Rico to Optimize and Modernize Infrastructure and Sustain Obligations Act or the COMPROMISO Act This bill directs that the federal share of assistance, including direct federal assistance, provided for Puerto Rico in connection with Hurricanes Irma and Maria under the Robert T. Stafford Disaster Relief and Emergency Assistance Act with respect to a major disaster (specifically, regarding essential assistance, hazard mitigation, repair, restoration, and replacement of damaged facilities, debris removal, federal assistance to individuals and households, and public assistance program alternative procedures) shall be 100%.