The phrase "a substitute plan" is correct and usable in written English.
You can use it when referring to an alternative plan that can be implemented in place of the original one.
Example: "In case of unforeseen circumstances, we should have a substitute plan ready to ensure the project stays on track."
Alternatives: "alternative plan" or "backup plan".
The E.P.A. is required by law to regulate carbon dioxide emissions in some fashion, but so far Mr. Pruitt has not proposed a substitute plan.
3. Show your anger at the special interests, but also have a substitute plan for improving things.
By 1924, the California Highway Commission's engineers had realized that building Route 50 through the canyon was impractical, and adopted a substitute plan for two highways connecting Lower Lake and Rumsey with the planned Route 15 (Tahoe-Ukiah Highway, now State Route 20) to the north in September 1925.
In the meantime, it said, a second three-judge court, this one in San Antonio, "must designate a substitute interim plan for the 2012 election cycle by the end of November".
But William P. Apgar, who was an assistant housing secretary under Mr. Cuomo, called the substitute plan "penny-wise and pound-foolish" and said the properties were likely to fall into the hands of real estate speculators and remain a blight.
The key, he said, is to use digital technology as a tool, not as a substitute for planning or an excuse for delaying creative decisions.
Results of previous evaluations on organizational improvisation suggest that improvisation is linked to emergent learning (Mintzberg 1996) that can be strategically employed as a substitute for planning (Weick 1987).
L. 112 141, § 1503(a)(3)(A)(i), substituted "planning" for "concept" and "multidisciplinary" for "multidisciplined" in introductory provisions.
Both President Obama and Hillary Clinton have also revived the idea of the so-called public option, which would be a government-run plan that would either compete with or be a substitute for a plan offered by a private insurer.
"Comcast's own advertising and executive statements make it clear that DSL is not a substitute". Wireless data plans are expensive, limited by usage caps and hefty overage fees.
Overall, participants stressed the need to deliver the message that abortion is not a substitute for family planning, and articulated concerns about contraceptive continuation following abortion.
