March 30 (UPI) -- Some employees of the Transportation Security Administration started getting back pay that they're owed for the partial government shutdown Monday, easing long lines at airports.

"Most TSA employees received a retroactive paycheck today that included at least two full paychecks covering pay periods 4 and 5 today," Department of Homeland Security Acting Assistant Secretary of Public Affairs Lauren Bis told USA Today on Monday. "A small population might see a slight delay due to a variety of reasons, including financial institution processing times or issues with their direct deposit. We are working aggressively with USDA's National Finance Center to complete processing for the half paycheck they are owed from pay period 3 as soon as possible."

"Working without pay forced more than 500 officers to leave TSA and thousands were forced to call out," Bis added.

The funding lapse has lasted since Feb. 14, causing extreme delays at airports because some TSA workers quit or called out sick.

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