Every state has its own conventions for numbering bills. Some states zero-pad the number (eg HB0001) while others don’t. Most states use the standard prefixes HB and SB but even that isn’t standardized. Here’s a quick summary of how states number their bills:
| State | Sample Bill ID |
Zero Padded? | Prefixes Used | Comment |
| Alabama | AL HB1 | No | HB, SB, HR, HJR, SJR, SR | |
| Alaska | AK HB1 | No | HB, SB, HJR, HCR, SCR, SJR, HR, SR | |
| Arizona | AZ HB2001 | No | HB, SB, HCR, SCR, SR, HR, SCM, HCM, HM, HJR, SM | |
| Arkansas | AR SB1 | No | HB, SB, HR, SR, HJR, SJR, HCR, SCR, HMR, SMR, HCMR | |
| California | CA AB1 | No | AB, SB, ACR, SCR, AJR, ABX, AR, SJR, ACA, SCA, SBX, HR, SR, HB, ACAX, SCAX | |
| Colorado | CO HB1001 / CO SB001 | House No / Senate Yes | HB, SB, SJR, HJR, HR, SR, HM, SCR, SJM, SM, HCR | House bills start above 1000. Senate bills start at 001 and are padded to 3 digits. |
| Connecticut | CT HB05001 | Yes | HB, SB | Padded to 5 digits. |
| Delaware | DE HB1 | No | HB, SB, HCR, SCR, HR, SR, HJR, SJR | |
| Florida | FL H0001 | Yes | S, H | Padded to 4 digits. |
| Georgia | GA HB1 | No | HR, SR, HB, SB | |
| Hawaii | HI HB1 | No | HB, SB, HCR, HR, SCR, SR | |
| Idaho | ID H0001 / ID HCR001 |
Yes | H, S, HCR, SCR, HJM, SJR, SR, HR, SJM, HP, SP, HJR | Bills padded to 4 digits. Resolutions padded to 3 digits. |
| Illinois | IL HB0001 | Yes | HB, SB, HR, SR, HJR, HJRCA, SJR, SJRCA | Padded to 4 digits. |
| Indiana | IN HB1001 | Yes | SB, HB, SR, HR, HCR, SCR, SJR, HJR | House bills start above 1000. Senate bills start at 0001 and are padded to 4 digits |
| Iowa | IA HF1 | No | HF, SF, SSB, HSB, HR, SR, HJR, SJR, HCR, SCR | |
| Kansas | KS SB1 | No | HB, SB, SR, HR, HCR, SCR | |
| Kentucky | KY HB1 | No | HB, SB, SR, HR, HCR, HJR, SCR, SJR | |
| Louisiana | LA HB1 | No | HB, SB, HCR, HR, SR, SCR, HSR, HCSR, SCSR, SSR | |
| Maine | ME LD1 | No | LD, HP, SP | |
| Maryland | MD HB1 | No | HB, SB, HJ, SJ | |
| Massachusetts | MA H1 | No | H, S | |
| Michigan | MI HB4001 / MI SB0001 | House No / Senate Yes | HB, SB, HR, SR, HCR, SCR | House bills start above 4000. Senate bills start at 0001 and are padded to 4 digits. |
| Minnesota | MN HF10 | No | HF, SF, SR, SC, HR, HC | |
| Mississippi | MS HB1 | No | HB, SB, SC, HR, HC, SR | |
| Missouri | MO HB1 | No | HB, SB, HCR, HJR, HR, SJR, SCR, SR | |
| Montana | MT HB1 | No | HB, SB, SR, HJ, SJ, HR | |
| Nebraska | NE LB1 | No | LB, LR | |
| Nevada | NV AB1 | No | AB, SB, SJR, AR, SCR, AJR, ACR, SR, IP | |
| New Hampshire | NH HB101 | No | HB, SB, HCR, CACR, HR, SR, HJR, SCR, SJR | |
| New Jersey | NJ A1 | No | A, S, ACR, SCR, AR, SR, AJR, SJR | |
| New Mexico | NM HB1 | No | HB, SB, SM, HM, SJM, HJM, HJR, SJR, HR, SR, SCR, HCR | |
| New York | NY A00020 | Yes | A, S | Padded to 5 digits. |
| North Carolina | NC H1 | No | H, S | |
| North Dakota | ND 1001 | No | No prefixes. Bill Numbers start at 1001. | |
| Ohio | OH HB1 | No | HB, HR, SB, SR, HCR, SCR, HJR, SJR | |
| Oklahoma | OK SB1 | No | HB, SB, HJR, SJR, HR, SR, SCR, HCR | |
| Oregon | OR HB2001 | No | HB, SB, HCR, HJR, SJR, HJM, SCR, SJM, HR, HM, SM, SR | |
| Pennsylvania | PA HB1 | No | HB, SB, HR, SR | |
| Rhode Island | RI H2452 / RI S0001 |
House No / Senate Yes | H, S | House bills start above 1000. Senate bills start at 0001 and are padded to 4 digits. |
| South Carolina | SC H0349 | Yes | H, S | Padded to 4 digits. |
| South Dakota | SD SB1 | No | HB, SB, HC, SC, HCR, SCR, HJR, SJR | |
| Tennessee | TN HB0001 | Yes | HB, SB, HJR, SJR, HR, SR | Padded to 4 digits. |
| Texas | TX HB1 | No | HB, HR, SB, SR, HCR, HJR, SJR, SCR | |
| United States | US H1 | No | HB, h, SB, s, hr, sr, HCR, HJR, hc, hj, SCR, SJR, SC, SJ | |
| Utah | UT HB0001 | Yes | HB, SB, HJR, SJR, HCR, SCR, HR, SR | Bills padded to 4 digits. Resolutions padded to 3 digits. |
| Vermont | VT H0001 | Yes | H, HCR, S, JRS, SCR, JRH, HR, SR | Bills padded to 4 digits. Resolutions padded to 3 digits. |
| Virginia | VA HB1 | No | HB, SB, HJR, SJR, HR, SR | |
| Washington | WA HB1000 | No | HB, SB, HJR, SJR, SJM, HJM, HCR, SCR | |
| West Virginia | WV HB9 | No | HB, SB, HCR, SCR, SR, HJR, HR, SJR | |
| Wisconsin | WI AB1 | No | AB, SB, AJR, SJR, AR, SR | |
| Wyoming | WY HB0001 | Yes | HB, SF, HJ, SJ | Padded to 4 digits. |