We consider three issues in this petition for review: (1) when is a party, who seeks judicial review of a Texas Workers’ Compensation Commission Appeals Panel decision, required to file a copy of its petition with the Cоmmission under the Texas Labor Code section 410.253; (2) whether “the mailbox rule” 1 applies to section 410.253 filings in judicial review actions under Texas Labor Code chapter 410, subchapter G; 2 and (3) whether an untimely section 410.253 filing with the Commissiоn deprives the trial court of jurisdiction over the judicial review action. We hold that section 410.253 requires a party to file a copy of its petition for judicial review with the Commission on the same day that the party files its petition in the trial court and that the mailbox rule applies to section 410.253 filings in subchapter G judicial review actions. See Tex.R. Crv. P. 5. We also hold that untimely filing with the Commission under section 410.253 does not deprive the trial court of jurisdictiоn. Accordingly, we affirm the court of appeals’ judgment remanding the case to the trial court for further proceedings.
Charles Sinclair filed a compensation claim against Albertson’s, Inc. with the Texas Workers’ Comрensation Commission, for an alleged work-related injury. Albertson’s contested the compensability of the injury. A Commission hearing officer and an Appeals Panel ruled for Albertson’s. The fortieth day after the Appeals Panel’s decision was a Sunday. The next day, Sinclair filed a petition with the trial court for judicial review under Texas Labor Code chapter 410, subchapter G and mailed a copy of the petition to the Commission. The Commission received the petition two days later. Albert-son’s moved to dismiss the judicial review action, alleging that because the Commission did not receive Sinclair’s petition within forty days of the Appeals Panel’s decisiоn, Sinclair’s filing with the Commission was untimely under section 410.253.
See
Tex. Lab. Code § 410.253. The trial court dismissed the judicial review action for want of jurisdic
*960
tion. The court of appeals reversed the trial court’s judgment, concluding that Sinclair’s filing with the Commissiоn was timely because the mailbox rule applies to section 410.253 filings.
The Labor Code provides for judicial review of an Appeals Panel decision. See Tex. Lab.Code § 410.251. Chapter 410, subchap-ter F contains general provisions for judicial review, including:
Time for Filing Petition; Venue
A party may seek judicial review by filing suit not later than the 40th day after the date on which the decision of the appeals panel was filed with the division.
Tex. Lab.Code § 410.252(a).
Service
A copy of the petition shall be simultaneously filed with the court and the commission and served on any opposing party.
Tex. Lab.Code § 410.253.
Commission Intervention
On timely motion initiated by the executive director, the commission shall be permitted to intervene in any judicial proceeding under this subchapter or Subchapter G.
Tex. Lab.Code § 410.254.
In addition, subchapter G provides a modified trial de novo proсedure that applies only to judicial review actions involving “compens-ability or eligibility for or the amount of income or death benefits.” Tex. Lab.Code § 410.301;
see also Lumbermens Mut. Cas. Co. v. Manasco,
Albertson’s asserts that section 410.253 requires a petitioner for judicial review to furnish the Commission a copy of the petition for judiсial review any time within section 410.252’s forty-day time period for filing the petition.
See
Tex. Lab.Code § 410.252-.253. We disagree. In construing a statute, our objective is to determine and give effect to the Legislature’s intent.
See Liberty Mut. Ins. Co. v. Garrison Contractors, Inc.,
Albertson’s also arguеs that Commission Rule 102.7 precludes applying “the mailbox rule” to Commission filings under section 410.253. Again, we disagree. Commission Rule 102.7 dictates that documents are timely filed only if the Commission receives them before or during business hours on the lаst permissible day to file. See 28 Tex. Admin. Code § 102.7. However, Rule 102.7 applies “unless otherwise specified in the Act or rules.” 28 Tex. Admin. Code § 102.7. The Legislature specified in the Workers’ Compensation Act that judicial review actions involving “compensability or eligibility for or the amount of income or death benefits “shall be conducted as provided by [subchapter G].” Tex. Lab.Code § 410.301. Although subchapter G does not expressly incorporate the Rules of Civil Prоcedure, the Legislature specified in section 410.305 that when sub-chapter G conflicts with the Texas Rules of Civil Procedure, subehapter G controls. See Tex. Lab.Code § 410.305. Section 410.305 evinces the Legislature’s intent that the Rules of Civil Prоcedure control unless they conflict with subchapter G. Whether Texas Rule of Civil Procedure 5 conflicts with Commission Rule 102.7 is irrelevant. Because *961 Rule 5 does not conflict with subchapter G, it applies to subchapter G judicial review actions. Sinclair timely filed his petition with the Commission by sending it to the Commission by first-class United States mail on the day it was due.
Lastly, Albertson’s argues that section 410.253’s requirement is mandatory and that failure to comply deprives the trial court of jurisdiction over the judicial review action. The court of appeals held that section 410.253 was directory. We conclude that simultaneously filing with the trial court and the Commission is mandatory but not jurisdictional.
Wе generally construe the word “shall” as mandatory, unless legislative intent suggests otherwise.
See Schepps v. Presbyterian Hosp. of Dallas,
The plain meaning of “shall” supports a mandatory construction of section 410.253’s simultaneous filing requirement. Moreover, section 410.253’s duty to simultaneously serve the Commission relates to the public good. Section 410.254 gives the Commission a right to intervene upon a timely motion in a suit seeking judicial review of a Commission decision. See Tex. Lab.Code § 410.254. Sectiоn 410.253’s obvious purpose is to enable the Commission to exercise this right. See Tex. Lab.Code § 410.254; see also Senate Comm. Of Eoonomic Development, Bill Analysis, Tex. H.B. 3137, 75 th Leg., R.S.(1997)(stating that the purpose of a similar notice provision, Texas Labor Code section 410.258, is to ensure that the Commission has notice and an opportunity to intervene in a workers’ compensation lawsuit to explain why a judgment or settlement should not be approved by a court). Commission intervention is desirable because it enables the Commission to offer consistent substantive interpretation of workers’ compensation laws. See Joint Select Committee on Workers’ Compensation Insurance, A Report to the 71st Legislature 4 (1988). The Commission, as amicus curiae, argues that intervention is often necessary to oppose the parties’ efforts to circumvent statutory provisions and to protect the Commission’s Subsequent Injury Fund. Again, common sense dictates that, to evaluate whether intervention in a judicial review action is necеssary and, if necessary, to timely intervene in the action, the Commission needs prompt notice that a lawsuit has been filed. Therefore, we hold that section 410.253’s simultaneous filing requirement is mandatory.
Nevertheless, the liberаl construction we must give workers’ compensation laws precludes a jurisdictional interpretation.
See Lujan,
Moreover, that section 410.253 does not dictatе the consequence of noncompliance is significant when considering the entire statute. Section 410.258 requires the petitioner in a judicial review proceeding to provide the Commission a proposеd judgment or settlement not later than the thirtieth day before the court is scheduled to enter the judgment or approve the settlement.
See
Tex. Lab. Code § 410.258(a). Subsection 410.258(b) provides the Commission yet another opportunity tо intervene, up to the thirtieth day after receiving the proposed judgment or settlement.
See
Tex. Lab.Code § 410.253(b). Importantly, subsection 410.258(f) provides that a judgment entered or settlement approved without complying with section 410.258’s requirements is void.
See
Tex. Lab. Code § 410.258(f). That the Legislature could have but did not similarly provide a consequence for noncompliance with section 410.253 suggests that it chose not to do so.
See Chisholm,
Therefore, we hold that sectiоn 410.253 requires a petitioner for judicial review of a Texas Workers’ Compensation Commission Appeals Panel decision to file a copy of the petition with the Commission on the same day it files the petition with thе trial court. We hold that the mailbox rule applies to section 410.253 filings in subchap-ter G judicial review actions. We also hold that compliance with section 410.253, while mandatory, is not jurisdictional. Accordingly, without hearing orаl argument, we grant Albertson’s petition for review and affirm the court of appeals’ judgment. See Tex.R.App. P. 59.1
Notes
. See Texas Rule of Civil Procedure 5, which provides in part:
If any document is sent to the proper clerk by first-class United States mаil in an envelope or wrapper properly addressed and stamped and is deposited in the mail on or before the last day for filing same, the same, if received by the clerk not more than ten days tardily, shall be filed by the clerk and be deemed filed in time. A legible postmark affixed by the United States Postal Service shall be prima facie evidence of the date of mailing.
. See Tex Lab.Code § 410.301 — .308.
