; or (2) in the absence of such an Act, the rate for operations provided for such program, project, or activity pursuant to a joint resolution making continuing appropriations for such preceding fiscal year. (c) Availability Appropriations and funds made available, and authority granted, for any fiscal year pursuant to this section for a program, project, or activity shall be available for the period beginning with the first day of a lapse in appropriations and ending with the date on which the applicable regular appropriation bill for such fiscal year becomes law (whether or not such law provides for such program, project, or activity) or a joint resolution making continuing appropriations becomes law, as the case may be. (d) Terms and conditions An appropriation or funds made available, or authority granted, for a program, project, or activity for any fiscal year pursuant to this section shall be subject to the terms and conditions imposed with respect to the appropriation made or funds made available for the preceding fiscal year, or authority granted for such program, project, or activity under current law. (e) End of fiscal year If this section is in effect at the end of a fiscal year, funding levels shall continue as provided in this section for the next fiscal year. (f) Expenditures and obligations Expenditures and obligations made for a program, project, or activity for any fiscal year pursuant to this section shall be charged to the applicable appropriation, fund, or authorization whenever a regular appropriation bill or a joint resolution making continuing appropriations until the end of a fiscal year providing for such program, project, or activity for such period becomes law. (g) Expenditure authority Section 9502(d)(1)(A) of the Internal Revenue Code of 1986 is amended by striking the semicolon at the end and inserting or the Aviation Funding Stability Act of 2019