31 C.F.R. § 535.438
(b) No transfer requirement under § 535.213 or § 535.214 shall be deemed to authorize or compel any payment or transfer of any obligation under a standby letter of credit, performance bond or similar obligation as to which a blocked account has been established pursuant to § 535.568 or as to which payment is prohibited under an injunction obtained by the account party.
(Secs. 201-207, 91 Stat. 1626, 50 U.S.C. 1701-1706; E.O. 12170, 44 FR 65729; E.O. 12205, 45 FR 24099; E.O. 12211, 45 FR 26685; E.O. 12276, 46 FR 7913; E.O. 12279, 46 FR 7919; E.O. 12280, 46 FR 7921; E.O. 12281, 46 FR 7923; E.O. 12282, 46 FR 7925; E.O. 12283, 46 FR 7927, and E.O. 12294, 46 FR 14111)
[46 FR 14336, Feb. 26, 1981, as amended at 46 FR 30341, June 8, 1981]