The phrase "a parallel plan to" is correct and usable in written English.
It can be used when discussing an alternative or supplementary strategy that runs alongside another plan.
Example: "The team developed a parallel plan to address potential risks while implementing the main project."
Alternatives: "an alternative strategy to" or "a supplementary plan for".
Over the last two years, as anticipation has built for the restart of the "Star Wars" movie series, the Walt Disney Company has executed a parallel plan to overhaul how "Star Wars" games are made.
But Penn Station will hardly be empty: the M.T.A. is working on a parallel plan to link the station to Metro North trains, for the convenience of Westchester and Connecticut residents who now arrive at Grand Central but would rather arrive on the West Side.
The four Labour peers being questioned in relation to "cash for amendments" might also escape expulsion, in the event that they were convicted of any wrongdoing, although they could be suspended under a parallel plan to tighten the Lords' disciplinary code.
For example, the Minnesota Department of Revenue announced a parallel plan to allow companies there to correct misclassifications with reduced Minnesota tax consequences.
PrEP is best combined with a parallel plan to prevent other STIs, which may include use of condoms, frequent testing and treatment, and discussion of STI test results with prospective partners.
Both Mr Kerry and Mr Lavrov were also set to meet with the UN special envoy on Syria, Lakhdar Brahimi, to discuss the parallel plan to convene peace talks between the warring parties in Geneva in mid-November.
And because government research is "not enough," Gates also launched the Breakthrough Energy Coalition, a parallel plan with billionaires like Richard Branson and Mark Zuckerberg to spark big technological solutions, while making a buck on the side.
The agreement, and the administration's parallel plans to press ahead with a nearly $11 billion arms deal for Iraq, despite rising political tensions there, is dramatic evidence of its determination to project American military influence in an oil-rich region shadowed by a threat from Iran.
Given the uncertain future of regional news provision, Ofcom has recommended a "parallel plan" based on "independently funded consortia" delivering output using a competitive funding model.
That would be achieved by a parallel plan that would see 150,000 state jobs go by the end of 2015, by replacing only some of those who retire.
It would also lead to the scrapping of the Treasury system for subsidising Scottish public spending under the Barnett formula – a formula that Swinney wanted to keep under the parallel plans to control corporation tax, national insurance and capital gains tax.
