signature on a ballot envelope against a voter's signature on file without physically handling the envelope, provided that the technology is not connected to the internet. (6) Costs associated with the use of down­load­able and printable ballots by qualified individuals under section 103C the Uniformed and Overseas Citizens Absentee Voting Act. (7) Costs associated with developing or purchasing secure accessible remote ballot marking systems for use by voters with disabilities, provided that such systems do not cause the voter's ballot selections to be transmitted over the internet and do not allow for the electronic submission of a marked ballot. (8) Costs associated with developing or purchasing and implementing signature verification software. (9) Costs for providing return envelopes and the postage associated with such envelopes pursuant to section 323 of this Act. (b) Primary elections (1) Payments to States In addition to any payments under subsection (a), the Commission shall make payments to each State equal to any costs that the State (and local jurisdictions within the State) incurs in voluntarily electing to comply with and implementing the provisions of, and amendments made by, the Natural Disaster and Emergency Ballot Act of 2020 with respect to the 2020 primary election in the State. (2) State party-run primaries The Commission shall make payments to State parties for costs incurred by such parties to send absentee ballots and return envelopes with prepaid postage to eligible voters participating in such primaries during 2020. (c) Authorization of appropriations (1) In general There are authorized to be appropriated for payments under this section any sums necessary to reimburse States for costs described in subsections (a) and (b) with respect to the 2020 general election occurring on November 3, 2020. (2) Availability of funds Amounts appropriated pursuant to the authorization under this subsection shall remain available without fiscal year limitation. (d) Insufficient funds If the amount