https://www.bostonglobe.com/2021/07/21/metro/aiming-preserve...

https://www.boston.com/news/policy/2021/03/31/home-rule-peti...
A proposed home rule petition would lower Boston’s voting age to 16 for city elections, if passed
Similar measures have garnered support in Brookline, Somerville, and Cambridge in recent years.
Two Boston city councilors are asking their fellow councilors to consider a home rule petition to allow 16- and 17-year-old residents to vote in municipal elections, should state lawmakers sign off on the proposal.

https://www.somervillecdc.org/news/what-is-a-home-rule-petit...
What is a Home Rule Petition?
In Massachusetts, cities have limited powers under state law. A Home Rule Petition is a request from a city for a new type of power from the state legislature—for example, the power to enact a new tax or regulation, or an exemption from an aspect of state law.If a proposed Home Rule Petition is passed locally, the city government sends the bill to its State Representatives and State Senators, who seek to pass it in the legislature as a state law that would only affect the one municipality.

https://rumbonews.com/site/wp-content/uploads/2020/12/e747.p...
Etapa 2: Utilizar como “mensajeros y
promotores” de esta idea a la delegación
de Lawrence: el Senador Barry Finegold
y los Representantes de Lawrence Frank
Morán y Marcos Devers con el apoyo
de otros legisladores locales para que
presenten y empujen su aprobación en
nombre de los residentes de Lawrence
una ***“Petición de Autonomía” (Home Rule
Petition)*** para lograr que no se lleve a
cabo una elección especial para un alcalde
interino sino que sea seleccionado por
los concejales, no por 90 días, sino hasta
enero del 2022.

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Note added at 24 mins (2021-08-18 20:33:26 GMT)
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Personally, I would use both the Spanish and English - Petición de Autonomía” (Home Rule Petition), as it appears to be particular to Massachusetts.

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Note added at 55 mins (2021-08-18 21:05:14 GMT)
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http://www.lawpd.com/?dn=lawpd.com&pid=1POWVP848
Alcalde Vásquez pide aumentar las multas para clubes nocturnos ilegales
La Petición de Autonomía crearía multa de 10 mil dólares por actividad ilegal ...

Mayor Vasquez Requesting an Increase of Penalties for Illegal Nightclubs
Home Rule Petition Will Create a 10k Fee for Illegal Activity ...

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Note added at 4 days (2021-08-23 13:12:29 GMT) Post-grading
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Gracias Claudia.