PUBLIC LAWS-CH. 709-JULY 31,1946 52Stat. 10981099. SEC. 310. Subsections 4 (b) through 4 (e) are amended by sub- 45U.S. C. §354(b), (c).(d),(e). stituting for the references to "4 (a) (i)", "4 (a) (ii)", and "4 (a) (iii)", references to "4 (a-2) (i)", "4 (a-2) (ii)", and "4 (a-2) (iii)", respectively. s45U.t .C. . SEC. 311. (a) The first paragraph of subsection 5 (c) is amended by striking out the phrase "district board" at the end of the first sentence thereof and substituting "referee or such other reviewing body as the Board may establish or assign thereto", and by striking out the balance thereof 54 Statl.l9. (b) The third paragraph of subsection 5 (c) is amended by deleting the phrase "does not comply with the provisions of this Act and", and by inserting between the second and third sentences thereof the following: ontributions. "The Board may also designate one of its officers or employees to receive evidence and report to the Board whether or not any person or company is entitled to a refund of contributions or should be required to pay contributions under this Act, regardless of whether or not any claims for benefits will have been filed upon the basis of service in the employ of such person or company, and shall follow such procedure if contributions are assessed and payment is refused or payment is made and a refund claimed upon the basis that such person or company is or will not have been liable for such contributions." Spa. Subsection 5 (c) is further amended by adding the following paragraph: "Any issue determinable pursuant to this subsection and subsection (f) of this section shall not be determined in any manner other than Infra. pursuant to this subsection and subsection (f)." 52Stat.1100 . SEC. 312. Subsection 5 (d) is amended by substituting for the 45 U. SC. 355(d). phrase "district boards" the words "reviewing bodies", and by striking out the phrase "a district board or of" each time it appears. 45 U.s.C . §355(e). SEC. 313. Subsection 5 (e) is amended by deleting the phrases 'upon a claim for benefits," and "allowing or denying benefits", and by changing the word "claimant" to "parties". 52stat. 1100. SEC. 314. The first sentence of subsection 5 (f) is amended to read 45 U.S. c. §355 (). as follows: Petition for review. "Any claimant, or any railway labor organization organized in 45 U. S. C . § 151- accordance with the provisions of the Railway Labor Act, of which 163, 181-188; Supp. V , 1151 et eq. claimant is a member, or any other party aggrieved by a final decision supa. under subsection (c) of this section, may, only after all administrative remedies within the Board will have been availed of and exhausted, obtain a review of any final decision of the Board by filing a petition for review within ninety days after the mailing of notice of such decision to the claimant or other party or within such further time as the Board may allow, in the United States circuit court of appeals for the circuit in which the claimant or other party resides or will have had his principal place of business or principal executive office, or in the United States Circuit Court of Appeals for the Seventh Circuit or in the Court of Appeals for the District of Columbia." 52 Stat. 1101. SEC. 315. Subsection 5 (g) is amended by substituting for the phrase "benefits or refund and" the words "benefits or refund, the determina- Supra. tion of any other matter pursuant to subsection (c) of this section, and". 45U. .C. 355(i) SEC. 316. Subsection 5 (i) is amended by inserting after the word claimant" each time it appears the words "or other properly inter- ested person", and by inserting after the phrase "counsel or agent" the words "for a claimant". 738 [60 STAT.