Definition Of petitioning
make or present a formal request to (an authority) with respect to a particular cause.
leaders petitioned the government to hold free elections soon
Example Of petitioning
After failing to get any response from the aviation authorities, the protesters petitioned the president.
All fifty states have statutes granting grandparents, and sometimes other third parties, the right to petition a court for visitation with children - even when the parents object.
Among its early actions was to petition the authorities for a separate Jewish burial ground.
And they have gathered 600 signatures petitioning against the closure.
As well as contacting the company and petitioning them, I'm putting out an appeal for people to try to find any old tins which the company could use to work out the formula.