Sponsors of a campaign to overturn Washington state’s domestic partnership law turned in their petition signatures Saturday and said they believe they have enough to force a public vote. The expanded “everything but marriage” domestic partnership law was scheduled to take effect Sunday, but is now delayed until the signatures can be counted, a process that could take up to a month. To qualify for the November ballot, supporters of Referendum 71 must have 120,577 voter signatures. Supporters say they have about 138,000 signatures.

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