# Sale and Issue of Marketable Book-Entry Treasury Bills, Notes, and Bonds
**Correction**
In rule document 2013-18178 appearing on pages 46426-46445 in the issue of July 31, 2013, make the following corrections:
**31 CFR Part 356**
**Appendix B to Part 356 [Corrected]**
1. On page 46437, in the first column, in the third line from the bottom, “ *a*<sub>1</sub> = 100 × max( *r* + *s,* 0)/360” should read “ *a*<sub>i</sub> = 100 × max( *r* + *s,* 0)/360”.
2. On the same page, in the second column, in the sixth line from the bottom, “ *a*<sub>1</sub> ” should read “ *a*<sub>i</sub> ”.
3. On the same page, in the same column, in the third line from the bottom, “ *T*<sub>1</sub> ” should read “ *T*<sub>i</sub> ”.
4. On the same page, in the third column, in the seventh line above Table 3, “0.004278267 + 0.00472818” should read “0.004278267 + 0.004472818”.
5. On page 46438, in the first column, in the third line, “ *T*<sub>i</sub><sub>-1</sub>** ” should read “ *T*<sub>i</sub> − *T*<sub>i</sub><sub>-</sub><sub>1</sub> ”.
6. On the same page, in the same column, in the ninth line, “ *A*<sub>i</sub> = 61 × 0.000625077 = 0.038129697” should read “ *A*<sub>1</sub> = 61 × 0.000625077 = 0.038129697”.
7. One the same page, in the second column, in the fourth line, “ *B*<sub>i</sub> = 1 + ( *r* + *m* ) × ( *T*<sub>i</sub> − <sub>1</sub> )/360”, should read “ *B*<sub>i</sub> = 1 + ( *r* + *m* ) × ( *T*<sub>i</sub> − *T*<sub>i</sub><sub>-1</sub> )/360”.
8. On page 46441, in Table 6, in the second column, in the first line, “ <sub>TO</sub> − T <sub>-1</sub> = 31” should read “ *T*<sub>0</sub> − *T**−*<sub>1</sub> = 31”.
9. On the same page, in the second column, the tenth line above Table 4, “ *T*<sub>i</sub><sub>-1</sub> and *T*<sub>1</sub> ” should read “ *T*<sub>i</sub><sub>-1</sub> and *T*<sub>i</sub> ”.