This summary is not the rule. The rule text controls.
If a court in Louisiana has the power to decide who a child's legal parents are, that same court can also act as the "responding" court when another state sends over a case asking for help figuring out parentage. This happens when someone starts a parentage case under this set of laws, or under a similar law from another state.
In simple terms, this rule allows Louisiana courts to cooperate with courts in other states on parentage cases. If a person in another state files a case to establish who a child's parent is, and that case gets sent to Louisiana, a Louisiana court can step in and handle its part of the process.
This matters for families dealing with parentage issues that cross state lines. For example, if a mother lives in one state and the alleged father lives in Louisiana, the case might involve both states' courts working together. This rule makes sure Louisiana courts have the authority to participate in that process instead of turning the case away.