Once the signatures have been collected, counted and filed, the names and the petitions can be invalidated for a number of reasons, from the obvious to the arcane.
The bill's terms allow a person's passport to be invalidated for up to two years, preventing them from returning to the UK during that time.
Among the three T-DNA insertion lines available from the Salk Institute library, two knock-out mutants, Atmrp6.1 and Atmrp6.2 were invalidated for the AtMRP6 gene.
If no valid entries exist anymore, then the destination is removed from both the distance table and routing table, else only the proactive routing table entry is invalidated.
And statewide, 143,000 ballots were invalidated for overcounting in 1996.
The Congressman suggests that Apple is now casting "too wide a net" in its effort to remove spam and illegitimate apps from the App Store, and is "invalidating apps from longstanding and legitimate developers who pose no threat to the App Store's integrity".
"If you don't tell your insurer about your home-host plans then it may refuse to pay any claims and your insurance could be invalidated," says Ben Wilson from Gocompare Home Insurance.
He recommended that both issues be addressed in the Act itself or in subsequent amendments, rather than left up to regulations, which are generally subject to less scrutiny and can only be invalidated by a vote from a majority of the Senate.
Eliciting well-developed, reptilian teeth (i.e. with enamel cap) in chicken will remain unachievable because all genes encoding the structural proteins crucial for enamel and dentine formation have been invalidated or have disappeared from the chicken genome.
The efforts stem from mounting concern that mortgages may be invalidated by people's signing such leases without first getting permission from their banks.
