# § 3748. Penalties for submission of cost known as not allowable
section 287 of title 18section 3729 of title 31
The submission to an agency of a proposal for settlement of costs for any period after such costs have been accrued that includes a cost that is expressly specified by statute or regulation as being unallowable, with the knowledge that such cost is unallowable, shall be subject to the provisions of and .
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**Source Credit**: (Added and amended Pub. L. 116–283, div. A, title XVIII, § 1832(a), (g), Jan. 1, 2021, 134 Stat. 4218, 4222.)
## Editorial Notes
### Codification
The text of subsec. (i) of , which was transferred to this section and amended by , was based on , , ; , , .
### Prior Provisions
A prior section 3748 was renumbered .
### Amendments
2021—, transferred subsec. (i) of to this section and struck out subsec. (i) designation and heading “Penalties for Submission of Cost Known as Not Allowable” at beginning.
## Statutory Notes and Related Subsidiaries
### Effective Date
Section and amendment by effective , with additional provisions for delayed implementation and applicability of existing law, see , set out as an Effective Date of 2021 Amendment note preceding .