on behalf of the United States in the administration or execution of the authorities under a Coronavirus pandemic-related program, project, or activity. (2) Rule of construction regarding antideficiency act Nothing in this subsection shall be construed to modify the application of section 1341 of title 31, United States Code (relating to limitations on expending and obligating amounts). (j) Post-Employment restrictions The ethics and conflicts of interest regulations— (1) shall establish post-employment restrictions (in addition to the restrictions in effect under section 207 of title 18, United States Code) applicable to officers and employees of the Federal Government involved in the administration or execution of the authorities under a Coronavirus pandemic-related program, project, or activity necessary to ensure ethical administration of the Coronavirus pandemic-related program, project, or activity, which shall, at a minimum, prohibit such an officer or employee of an executive agency from engaging in lobbying activities with respect to the executive agency during the 5-year period beginning on the date of separation from service with the executive agency